11651055516155 has 32 divisors (see below), whose sum is σ = 15309563977728. Its totient is φ = 8441719072000.

The previous prime is 11651055516143. The next prime is 11651055516167. The reversal of 11651055516155 is 55161555015611.

It is an interprime number because it is at equal distance from previous prime (11651055516143) and next prime (11651055516167).

It is not a de Polignac number, because 11651055516155 - 2⁶ = 11651055516091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21701639 + ... + 22232031.

It is an arithmetic number, because the mean of its divisors is an integer number (478423874304).

Almost surely, 2^{11651055516155} is an apocalyptic number.

11651055516155 is a deficient number, since it is larger than the sum of its proper divisors (3658508461573).

11651055516155 is a wasteful number, since it uses less digits than its factorization.

11651055516155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531907.

The product of its (nonzero) digits is 562500, while the sum is 47.

The spelling of 11651055516155 in words is "eleven trillion, six hundred fifty-one billion, fifty-five million, five hundred sixteen thousand, one hundred fifty-five".