115461525230021 has 4 divisors (see below), whose sum is σ = 116106561684000. Its totient is φ = 114816488776044.

The previous prime is 115461525230011. The next prime is 115461525230033. The reversal of 115461525230021 is 120032525164511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115461525230021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115461525230011) 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, 322518226721 + ... + 322518227078.

It is an arithmetic number, because the mean of its divisors is an integer number (29026640421000).

Almost surely, 2^{115461525230021} is an apocalyptic number.

It is an amenable number.

115461525230021 is a deficient number, since it is larger than the sum of its proper divisors (645036453979).

115461525230021 is an equidigital number, since it uses as much as digits as its factorization.

115461525230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645036453978.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 115461525230021 in words is "one hundred fifteen trillion, four hundred sixty-one billion, five hundred twenty-five million, two hundred thirty thousand, twenty-one".