155715515216151 has 24 divisors (see below), whose sum is σ = 240222282437760. Its totient is φ = 89406037440720.

The previous prime is 155715515216147. The next prime is 155715515216203. The reversal of 155715515216151 is 151612515517551.

It is not a de Polignac number, because 155715515216151 - 2² = 155715515216147 is a prime.

It is a super-2 number, since 2×155715515216151² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155715515216094 and 155715515216103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155715515215151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11288634195 + ... + 11288647988.

It is an arithmetic number, because the mean of its divisors is an integer number (10009261768240).

Almost surely, 2^{155715515216151} is an apocalyptic number.

155715515216151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

155715515216151 is a deficient number, since it is larger than the sum of its proper divisors (84506767221609).

155715515216151 is a wasteful number, since it uses less digits than its factorization.

155715515216151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22577282227 (or 22577282216 counting only the distinct ones).

The product of its digits is 1312500, while the sum is 51.

The spelling of 155715515216151 in words is "one hundred fifty-five trillion, seven hundred fifteen billion, five hundred fifteen million, two hundred sixteen thousand, one hundred fifty-one".