155606265575 has 12 divisors (see below), whose sum is σ = 196592370408. Its totient is φ = 122136237600.

The previous prime is 155606265571. The next prime is 155606265593. The reversal of 155606265575 is 575562606551.

It is not a de Polignac number, because 155606265575 - 2² = 155606265571 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155606265571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58718021 + ... + 58720670.

It is an arithmetic number, because the mean of its divisors is an integer number (16382697534).

Almost surely, 2^155606265575 is an apocalyptic number.

155606265575 is a deficient number, since it is larger than the sum of its proper divisors (40986104833).

155606265575 is a wasteful number, since it uses less digits than its factorization.

155606265575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117438754 (or 117438749 counting only the distinct ones).

The product of its (nonzero) digits is 9450000, while the sum is 53.

The spelling of 155606265575 in words is "one hundred fifty-five billion, six hundred six million, two hundred sixty-five thousand, five hundred seventy-five".