12054555415 has 192 divisors, whose sum is σ = 20211379200. Its totient is φ = 6820982784.

The previous prime is 12054555391. The next prime is 12054555421. The reversal of 12054555415 is 51455545021.

It is not a de Polignac number, because 12054555415 - 2⁷ = 12054555287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 67343796 + ... + 67343974.

It is an arithmetic number, because the mean of its divisors is an integer number (105267600).

Almost surely, 2^12054555415 is an apocalyptic number.

12054555415 is a deficient number, since it is larger than the sum of its proper divisors (8156823785).

12054555415 is a wasteful number, since it uses less digits than its factorization.

12054555415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 12054555415 in words is "twelve billion, fifty-four million, five hundred fifty-five thousand, four hundred fifteen".