115551050531 has 4 divisors (see below), whose sum is σ = 132058343472. Its totient is φ = 99043757592.

The previous prime is 115551050521. The next prime is 115551050569. The reversal of 115551050531 is 135050155511.

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-115551050531 is a prime.

It is a super-2 number, since 2×115551050531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115551050521) 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, 8253646460 + ... + 8253646473.

It is an arithmetic number, because the mean of its divisors is an integer number (33014585868).

Almost surely, 2^115551050531 is an apocalyptic number.

115551050531 is a deficient number, since it is larger than the sum of its proper divisors (16507292941).

115551050531 is an equidigital number, since it uses as much as digits as its factorization.

115551050531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16507292940.

The product of its (nonzero) digits is 9375, while the sum is 32.

The spelling of 115551050531 in words is "one hundred fifteen billion, five hundred fifty-one million, fifty thousand, five hundred thirty-one".