155610105415564 has 24 divisors (see below), whose sum is σ = 274102789151520. Its totient is φ = 77295205792896.

The previous prime is 155610105415559. The next prime is 155610105415603. The reversal of 155610105415564 is 465514501016551.

It is a super-2 number, since 2×155610105415564² (a number of 29 digits) contains 22 as substring.

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, 19469344 + ... + 26273095.

It is an arithmetic number, because the mean of its divisors is an integer number (11420949547980).

Almost surely, 2^{155610105415564} is an apocalyptic number.

It is an amenable number.

155610105415564 is a deficient number, since it is larger than the sum of its proper divisors (118492683735956).

155610105415564 is a wasteful number, since it uses less digits than its factorization.

155610105415564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45748017 (or 45748015 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 49.

The spelling of 155610105415564 in words is "one hundred fifty-five trillion, six hundred ten billion, one hundred five million, four hundred fifteen thousand, five hundred sixty-four".