1156625515420 has 24 divisors (see below), whose sum is σ = 2430608627664. Its totient is φ = 462327340416.

The previous prime is 1156625515399. The next prime is 1156625515457. The reversal of 1156625515420 is 245155266511.

It is a super-3 number, since 3×1156625515420³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20149734 + ... + 20207053.

It is an arithmetic number, because the mean of its divisors is an integer number (101275359486).

Almost surely, 2^{1156625515420} is an apocalyptic number.

1156625515420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156625515420 is an abundant number, since it is smaller than the sum of its proper divisors (1273983112244).

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

1156625515420 is a wasteful number, since it uses less digits than its factorization.

1156625515420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40358229 (or 40358227 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 1156625515420 in words is "one trillion, one hundred fifty-six billion, six hundred twenty-five million, five hundred fifteen thousand, four hundred twenty".