51135115 has 8 divisors (see below), whose sum is σ = 61402320. Its totient is φ = 40881312.

The previous prime is 51135103. The next prime is 51135169. The reversal of 51135115 is 51153115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51135115 - 2⁵ = 51135083 is a prime.

It is a super-2 number, since 2×51135115² = 5229599972126450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9616 + ... + 13954.

It is an arithmetic number, because the mean of its divisors is an integer number (7675290).

Almost surely, 2^51135115 is an apocalyptic number.

51135115 is a deficient number, since it is larger than the sum of its proper divisors (10267205).

51135115 is a wasteful number, since it uses less digits than its factorization.

51135115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6701.

The product of its digits is 375, while the sum is 22.

The square root of 51135115 is about 7150.8821134179. The cubic root of 51135115 is about 371.1701812705.

The spelling of 51135115 in words is "fifty-one million, one hundred thirty-five thousand, one hundred fifteen".