155650712155 has 32 divisors (see below), whose sum is σ = 199623191040. Its totient is φ = 116168993280.

The previous prime is 155650712137. The next prime is 155650712167. The reversal of 155650712155 is 551217056551.

It is not a de Polignac number, because 155650712155 - 2⁵ = 155650712123 is a prime.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 2420499 + ... + 2483971.

It is an arithmetic number, because the mean of its divisors is an integer number (6238224720).

Almost surely, 2^155650712155 is an apocalyptic number.

155650712155 is a deficient number, since it is larger than the sum of its proper divisors (43972478885).

155650712155 is a wasteful number, since it uses less digits than its factorization.

155650712155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63891.

The product of its (nonzero) digits is 262500, while the sum is 43.

The spelling of 155650712155 in words is "one hundred fifty-five billion, six hundred fifty million, seven hundred twelve thousand, one hundred fifty-five".