11556155151 has 6 divisors (see below), whose sum is σ = 16692224120. Its totient is φ = 7704103428.

The previous prime is 11556155137. The next prime is 11556155153. The reversal of 11556155151 is 15155165511.

11556155151 is a `hidden beast` number, since 1 + 1 + 5 + 56 + 1 + 551 + 51 = 666.

It is not a de Polignac number, because 11556155151 - 2²⁶ = 11489046287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556155153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 642008611 + ... + 642008628.

Almost surely, 2^11556155151 is an apocalyptic number.

11556155151 is a deficient number, since it is larger than the sum of its proper divisors (5136068969).

11556155151 is a wasteful number, since it uses less digits than its factorization.

11556155151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284017245 (or 1284017242 counting only the distinct ones).

The product of its digits is 18750, while the sum is 36.

The spelling of 11556155151 in words is "eleven billion, five hundred fifty-six million, one hundred fifty-five thousand, one hundred fifty-one".