12554351246738 has 16 divisors (see below), whose sum is σ = 21521813586624. Its totient is φ = 5380419100560.

The previous prime is 12554351246737. The next prime is 12554351246741. The reversal of 12554351246738 is 83764215345521.

It is a super-2 number, since 2×12554351246738² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12554351246737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3773756 + ... + 6272952.

It is an arithmetic number, because the mean of its divisors is an integer number (1345113349164).

Almost surely, 2^{12554351246738} is an apocalyptic number.

12554351246738 is a deficient number, since it is larger than the sum of its proper divisors (8967462339886).

12554351246738 is a wasteful number, since it uses less digits than its factorization.

12554351246738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858017.

The product of its digits is 24192000, while the sum is 56.

The spelling of 12554351246738 in words is "twelve trillion, five hundred fifty-four billion, three hundred fifty-one million, two hundred forty-six thousand, seven hundred thirty-eight".