155000560557 has 32 divisors (see below), whose sum is σ = 216757892736. Its totient is φ = 98411443200.

The previous prime is 155000560553. The next prime is 155000560567. The reversal of 155000560557 is 755065000551.

It is not a de Polignac number, because 155000560557 - 2² = 155000560553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155000560553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10216057 + ... + 10231217.

It is an arithmetic number, because the mean of its divisors is an integer number (6773684148).

Almost surely, 2^155000560557 is an apocalyptic number.

It is an amenable number.

155000560557 is a deficient number, since it is larger than the sum of its proper divisors (61757332179).

155000560557 is a wasteful number, since it uses less digits than its factorization.

155000560557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17181.

The product of its (nonzero) digits is 131250, while the sum is 39.

The spelling of 155000560557 in words is "one hundred fifty-five billion, five hundred sixty thousand, five hundred fifty-seven".