155525564755 has 16 divisors (see below), whose sum is σ = 206050086144. Its totient is φ = 111746733280.

The previous prime is 155525564749. The next prime is 155525564759. The reversal of 155525564755 is 557465525551.

It is not a de Polignac number, because 155525564755 - 2¹¹ = 155525562707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155525564696 and 155525564705.

It is not an unprimeable number, because it can be changed into a prime (155525564759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17029999 + ... + 17039128.

It is an arithmetic number, because the mean of its divisors is an integer number (12878130384).

Almost surely, 2^155525564755 is an apocalyptic number.

155525564755 is a deficient number, since it is larger than the sum of its proper divisors (50524521389).

155525564755 is a wasteful number, since it uses less digits than its factorization.

155525564755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34069226.

The product of its digits is 26250000, while the sum is 55.

The spelling of 155525564755 in words is "one hundred fifty-five billion, five hundred twenty-five million, five hundred sixty-four thousand, seven hundred fifty-five".