20151155000151 has 24 divisors (see below), whose sum is σ = 33280849673760. Its totient is φ = 11509597310976.

The previous prime is 20151155000089. The next prime is 20151155000189. The reversal of 20151155000151 is 15100055115102.

It is a happy number.

20151155000151 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 1 + 1 + 5 + 500 + 0 + 151 = 666.

It is not a de Polignac number, because 20151155000151 - 2⁶ = 20151155000087 is a prime.

It is a super-2 number, since 2×20151155000151² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20151155001151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74146666 + ... + 74417943.

It is an arithmetic number, because the mean of its divisors is an integer number (1386702069740).

Almost surely, 2^{20151155000151} is an apocalyptic number.

20151155000151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20151155000151 is a deficient number, since it is larger than the sum of its proper divisors (13129694673609).

20151155000151 is a wasteful number, since it uses less digits than its factorization.

20151155000151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148566775 (or 148566772 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 27.

The spelling of 20151155000151 in words is "twenty trillion, one hundred fifty-one billion, one hundred fifty-five million, one hundred fifty-one", and thus it is an aban number.