12151105436264 has 8 divisors (see below), whose sum is σ = 22783322693010. Its totient is φ = 6075552718128.

The previous prime is 12151105436189. The next prime is 12151105436269. The reversal of 12151105436264 is 46263450115121.

It can be written as a sum of positive squares in only one way, i.e., 7822034304100 + 4329071132164 = 2796790^2 + 2080642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12151105436269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 759444089759 + ... + 759444089774.

Almost surely, 2^{12151105436264} is an apocalyptic number.

It is an amenable number.

12151105436264 is a deficient number, since it is larger than the sum of its proper divisors (10632217256746).

12151105436264 is a wasteful number, since it uses less digits than its factorization.

12151105436264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518888179539 (or 1518888179535 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 12151105436264 in words is "twelve trillion, one hundred fifty-one billion, one hundred five million, four hundred thirty-six thousand, two hundred sixty-four".