155115102451 has 2 divisors, whose sum is σ = 155115102452. Its totient is φ = 155115102450.

The previous prime is 155115102433. The next prime is 155115102509. The reversal of 155115102451 is 154201511551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155115102451 - 2⁵ = 155115102419 is a prime.

It is not a weakly prime, because it can be changed into another prime (155115102251) 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, 77557551225 + 77557551226.

It is an arithmetic number, because the mean of its divisors is an integer number (77557551226).

Almost surely, 2^155115102451 is an apocalyptic number.

155115102451 is a deficient number, since it is larger than the sum of its proper divisors (1).

155115102451 is an equidigital number, since it uses as much as digits as its factorization.

155115102451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5000, while the sum is 31.

The spelling of 155115102451 in words is "one hundred fifty-five billion, one hundred fifteen million, one hundred two thousand, four hundred fifty-one".