155560600555513 has 4 divisors (see below), whose sum is σ = 164711224117620. Its totient is φ = 146409976993408.

The previous prime is 155560600555511. The next prime is 155560600555567. The reversal of 155560600555513 is 315555006065551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81758704370704 + 73801896184809 = 9042052^2 + 8590803^2 .

It is a cyclic number.

It is not a de Polignac number, because 155560600555513 - 2¹ = 155560600555511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155560600555511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4575311781028 + ... + 4575311781061.

It is an arithmetic number, because the mean of its divisors is an integer number (41177806029405).

Almost surely, 2^{155560600555513} is an apocalyptic number.

It is an amenable number.

155560600555513 is a deficient number, since it is larger than the sum of its proper divisors (9150623562107).

155560600555513 is an equidigital number, since it uses as much as digits as its factorization.

155560600555513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150623562106.

The product of its (nonzero) digits is 8437500, while the sum is 52.

The spelling of 155560600555513 in words is "one hundred fifty-five trillion, five hundred sixty billion, six hundred million, five hundred fifty-five thousand, five hundred thirteen".