12151013131554 has 64 divisors (see below), whose sum is σ = 27367587901440. Its totient is φ = 3563205912000.

The previous prime is 12151013131547. The next prime is 12151013131561. The reversal of 12151013131554 is 45513131015121.

It is an interprime number because it is at equal distance from previous prime (12151013131547) and next prime (12151013131561).

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 58799149 + ... + 59005439.

It is an arithmetic number, because the mean of its divisors is an integer number (427618560960).

Almost surely, 2^{12151013131554} is an apocalyptic number.

12151013131554 is an abundant number, since it is smaller than the sum of its proper divisors (15216574769886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12151013131554 is a wasteful number, since it uses less digits than its factorization.

12151013131554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235127.

The product of its (nonzero) digits is 9000, while the sum is 33.

Adding to 12151013131554 its reverse (45513131015121), we get a palindrome (57664144146675).

The spelling of 12151013131554 in words is "twelve trillion, one hundred fifty-one billion, thirteen million, one hundred thirty-one thousand, five hundred fifty-four".