151515027765 has 32 divisors (see below), whose sum is σ = 275091125760. Its totient is φ = 79088692032.

The previous prime is 151515027743. The next prime is 151515027773. The reversal of 151515027765 is 567720515151.

151515027765 is a `hidden beast` number, since 1 + 5 + 1 + 515 + 0 + 2 + 77 + 65 = 666.

It is not a de Polignac number, because 151515027765 - 2⁷ = 151515027637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 151515027765.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11933374 + ... + 11946063.

It is an arithmetic number, because the mean of its divisors is an integer number (8596597680).

Almost surely, 2^151515027765 is an apocalyptic number.

151515027765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151515027765 is a deficient number, since it is larger than the sum of its proper divisors (123576097995).

151515027765 is a wasteful number, since it uses less digits than its factorization.

151515027765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23879498 (or 23879492 counting only the distinct ones).

The product of its (nonzero) digits is 367500, while the sum is 45.

The spelling of 151515027765 in words is "one hundred fifty-one billion, five hundred fifteen million, twenty-seven thousand, seven hundred sixty-five".