15105160661155 has 4 divisors (see below), whose sum is σ = 18126192793392. Its totient is φ = 12084128528920.

The previous prime is 15105160661153. The next prime is 15105160661167. The reversal of 15105160661155 is 55116606150151.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15105160661155 - 2¹ = 15105160661153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15105160661153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510516066111 + ... + 1510516066120.

It is an arithmetic number, because the mean of its divisors is an integer number (4531548198348).

Almost surely, 2^{15105160661155} is an apocalyptic number.

15105160661155 is a deficient number, since it is larger than the sum of its proper divisors (3021032132237).

15105160661155 is an equidigital number, since it uses as much as digits as its factorization.

15105160661155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021032132236.

The product of its (nonzero) digits is 135000, while the sum is 43.

The spelling of 15105160661155 in words is "fifteen trillion, one hundred five billion, one hundred sixty million, six hundred sixty-one thousand, one hundred fifty-five".