156115052155 has 4 divisors (see below), whose sum is σ = 187338062592. Its totient is φ = 124892041720.

The previous prime is 156115052143. The next prime is 156115052209. The reversal of 156115052155 is 551250511651.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551250511651 = 7 ⋅78750073093.

It is not a de Polignac number, because 156115052155 - 2¹¹ = 156115050107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15611505211 + ... + 15611505220.

It is an arithmetic number, because the mean of its divisors is an integer number (46834515648).

Almost surely, 2^156115052155 is an apocalyptic number.

156115052155 is a deficient number, since it is larger than the sum of its proper divisors (31223010437).

156115052155 is an equidigital number, since it uses as much as digits as its factorization.

156115052155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31223010436.

The product of its (nonzero) digits is 37500, while the sum is 37.

The spelling of 156115052155 in words is "one hundred fifty-six billion, one hundred fifteen million, fifty-two thousand, one hundred fifty-five".