15161006665155 has 16 divisors (see below), whose sum is σ = 26123580715680. Its totient is φ = 7463880204288.

The previous prime is 15161006665141. The next prime is 15161006665157. The reversal of 15161006665155 is 55156660016151.

It is not a de Polignac number, because 15161006665155 - 2¹⁶ = 15161006599619 is a prime.

It is a super-2 number, since 2×15161006665155² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15161006665157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38874375870 + ... + 38874376259.

It is an arithmetic number, because the mean of its divisors is an integer number (1632723794730).

Almost surely, 2^{15161006665155} is an apocalyptic number.

15161006665155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15161006665155 is a deficient number, since it is larger than the sum of its proper divisors (10962574050525).

15161006665155 is a wasteful number, since it uses less digits than its factorization.

15161006665155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77748752150.

The product of its (nonzero) digits is 810000, while the sum is 48.

The spelling of 15161006665155 in words is "fifteen trillion, one hundred sixty-one billion, six million, six hundred sixty-five thousand, one hundred fifty-five".