115251323515542 has 24 divisors (see below), whose sum is σ = 251018589444480. Its totient is φ = 38215971147120.

The previous prime is 115251323515507. The next prime is 115251323515567. The reversal of 115251323515542 is 245515323152511.

115251323515542 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 51 + 3 + 2 + 3 + 51 + 5 + 542 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16761387417 + ... + 16761394292.

It is an arithmetic number, because the mean of its divisors is an integer number (10459107893520).

Almost surely, 2^{115251323515542} is an apocalyptic number.

115251323515542 is an abundant number, since it is smaller than the sum of its proper divisors (135767265928938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115251323515542 is a wasteful number, since it uses less digits than its factorization.

115251323515542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33522781908 (or 33522781905 counting only the distinct ones).

The product of its digits is 900000, while the sum is 45.

The spelling of 115251323515542 in words is "one hundred fifteen trillion, two hundred fifty-one billion, three hundred twenty-three million, five hundred fifteen thousand, five hundred forty-two".