155525314057 has 2 divisors, whose sum is σ = 155525314058. Its totient is φ = 155525314056.

The previous prime is 155525314033. The next prime is 155525314073. The reversal of 155525314057 is 750413525551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104315434441 + 51209879616 = 322979^2 + 226296^2 .

It is a cyclic number.

It is not a de Polignac number, because 155525314057 - 2³⁵ = 121165575689 is a prime.

It is not a weakly prime, because it can be changed into another prime (155525314097) 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 as a sum of consecutive naturals, namely, 77762657028 + 77762657029.

It is an arithmetic number, because the mean of its divisors is an integer number (77762657029).

Almost surely, 2^155525314057 is an apocalyptic number.

It is an amenable number.

155525314057 is a deficient number, since it is larger than the sum of its proper divisors (1).

155525314057 is an equidigital number, since it uses as much as digits as its factorization.

155525314057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525000, while the sum is 43.

The spelling of 155525314057 in words is "one hundred fifty-five billion, five hundred twenty-five million, three hundred fourteen thousand, fifty-seven".