115015531121 has 8 divisors (see below), whose sum is σ = 116486949120. Its totient is φ = 113544501408.

The previous prime is 115015531097. The next prime is 115015531123. The reversal of 115015531121 is 121135510511.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115015531121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115015531123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524420 + ... + 710666.

It is an arithmetic number, because the mean of its divisors is an integer number (14560868640).

Almost surely, 2^115015531121 is an apocalyptic number.

It is an amenable number.

115015531121 is a deficient number, since it is larger than the sum of its proper divisors (1471417999).

115015531121 is an equidigital number, since it uses as much as digits as its factorization.

115015531121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194143.

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 115015531121 in words is "one hundred fifteen billion, fifteen million, five hundred thirty-one thousand, one hundred twenty-one".