1015113025542 has 64 divisors (see below), whose sum is σ = 2582847936000. Its totient is φ = 263665715040.

The previous prime is 1015113025481. The next prime is 1015113025559. The reversal of 1015113025542 is 2455203115101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22397917 + ... + 22443192.

It is an arithmetic number, because the mean of its divisors is an integer number (40356999000).

Almost surely, 2^{1015113025542} is an apocalyptic number.

1015113025542 is an abundant number, since it is smaller than the sum of its proper divisors (1567734910458).

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

1015113025542 is a wasteful number, since it uses less digits than its factorization.

1015113025542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44841146 (or 44841132 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 1015113025542 in words is "one trillion, fifteen billion, one hundred thirteen million, twenty-five thousand, five hundred forty-two".