151515755023 has 2 divisors, whose sum is σ = 151515755024. Its totient is φ = 151515755022.

The previous prime is 151515754981. The next prime is 151515755033. The reversal of 151515755023 is 320557515151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151515755023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151515755033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75757877511 + 75757877512.

It is an arithmetic number, because the mean of its divisors is an integer number (75757877512).

Almost surely, 2^151515755023 is an apocalyptic number.

151515755023 is a deficient number, since it is larger than the sum of its proper divisors (1).

151515755023 is an equidigital number, since it uses as much as digits as its factorization.

151515755023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131250, while the sum is 40.

The spelling of 151515755023 in words is "one hundred fifty-one billion, five hundred fifteen million, seven hundred fifty-five thousand, twenty-three".