12546554451054 has 48 divisors (see below), whose sum is σ = 27173548265472. Its totient is φ = 3860233881504.

The previous prime is 12546554451043. The next prime is 12546554451061. The reversal of 12546554451054 is 45015445564521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12546554450988 and 12546554451006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15969157 + ... + 16736399.

It is an arithmetic number, because the mean of its divisors is an integer number (566115588864).

Almost surely, 2^{12546554451054} is an apocalyptic number.

12546554451054 is an abundant number, since it is smaller than the sum of its proper divisors (14626993814418).

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

12546554451054 is a wasteful number, since it uses less digits than its factorization.

12546554451054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783401 (or 783388 counting only the distinct ones).

The product of its (nonzero) digits is 9600000, while the sum is 51.

The spelling of 12546554451054 in words is "twelve trillion, five hundred forty-six billion, five hundred fifty-four million, four hundred fifty-one thousand, fifty-four".