155445097125179 has 2 divisors, whose sum is σ = 155445097125180. Its totient is φ = 155445097125178.

The previous prime is 155445097125113. The next prime is 155445097125257. The reversal of 155445097125179 is 971521790544551.

155445097125179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155445097125179 - 2²⁸ = 155444828689723 is a prime.

It is a super-2 number, since 2×155445097125179² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155445097121179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77722548562589 + 77722548562590.

It is an arithmetic number, because the mean of its divisors is an integer number (77722548562590).

Almost surely, 2^{155445097125179} is an apocalyptic number.

155445097125179 is a deficient number, since it is larger than the sum of its proper divisors (1).

155445097125179 is an equidigital number, since it uses as much as digits as its factorization.

155445097125179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380000, while the sum is 65.

The spelling of 155445097125179 in words is "one hundred fifty-five trillion, four hundred forty-five billion, ninety-seven million, one hundred twenty-five thousand, one hundred seventy-nine".