5155120511 has 4 divisors (see below), whose sum is σ = 5458362912. Its totient is φ = 4851878112.

The previous prime is 5155120471. The next prime is 5155120543. The reversal of 5155120511 is 1150215515.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5155120511 is a prime.

It is a super-2 number, since 2×5155120511² = 53150534965865802242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155126511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151621175 + ... + 151621208.

It is an arithmetic number, because the mean of its divisors is an integer number (1364590728).

Almost surely, 2^5155120511 is an apocalyptic number.

5155120511 is a deficient number, since it is larger than the sum of its proper divisors (303242401).

5155120511 is a wasteful number, since it uses less digits than its factorization.

5155120511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303242400.

The product of its (nonzero) digits is 1250, while the sum is 26.

The square root of 5155120511 is about 71799.1678990781. The cubic root of 5155120511 is about 1727.4796528844.

The spelling of 5155120511 in words is "five billion, one hundred fifty-five million, one hundred twenty thousand, five hundred eleven".