5515152139 has 4 divisors (see below), whose sum is σ = 6303031024. Its totient is φ = 4727273256.

The previous prime is 5515152127. The next prime is 5515152151. The reversal of 5515152139 is 9312515155.

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

It is an interprime number because it is at equal distance from previous prime (5515152127) and next prime (5515152151).

It is a cyclic number.

It is not a de Polignac number, because 5515152139 - 2¹³ = 5515143947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5515152098 and 5515152107.

It is not an unprimeable number, because it can be changed into a prime (5515152199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393939432 + ... + 393939445.

It is an arithmetic number, because the mean of its divisors is an integer number (1575757756).

Almost surely, 2^5515152139 is an apocalyptic number.

5515152139 is a deficient number, since it is larger than the sum of its proper divisors (787878885).

5515152139 is an equidigital number, since it uses as much as digits as its factorization.

5515152139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787878884.

The product of its digits is 33750, while the sum is 37.

The square root of 5515152139 is about 74264.0703099419. The cubic root of 5515152139 is about 1766.7936610304.

The spelling of 5515152139 in words is "five billion, five hundred fifteen million, one hundred fifty-two thousand, one hundred thirty-nine".