12554146705742 has 4 divisors (see below), whose sum is σ = 18831220058616. Its totient is φ = 6277073352870.

The previous prime is 12554146705693. The next prime is 12554146705783. The reversal of 12554146705742 is 24750764145521.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3138536676434 + ... + 3138536676437.

It is an arithmetic number, because the mean of its divisors is an integer number (4707805014654).

Almost surely, 2^{12554146705742} is an apocalyptic number.

12554146705742 is a deficient number, since it is larger than the sum of its proper divisors (6277073352874).

12554146705742 is an equidigital number, since it uses as much as digits as its factorization.

12554146705742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277073352873.

The product of its (nonzero) digits is 9408000, while the sum is 53.

The spelling of 12554146705742 in words is "twelve trillion, five hundred fifty-four billion, one hundred forty-six million, seven hundred five thousand, seven hundred forty-two".