12553115554 has 48 divisors (see below), whose sum is σ = 22964110848. Its totient is φ = 5040373248.

The previous prime is 12553115539. The next prime is 12553115569. The reversal of 12553115554 is 45551135521.

It is an interprime number because it is at equal distance from previous prime (12553115539) and next prime (12553115569).

It is a super-2 number, since 2×12553115554² (a number of 21 digits) contains 22 as substring.

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, 895302 + ... + 909214.

It is an arithmetic number, because the mean of its divisors is an integer number (478418976).

Almost surely, 2^12553115554 is an apocalyptic number.

12553115554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12553115554 is a deficient number, since it is larger than the sum of its proper divisors (10410995294).

12553115554 is a wasteful number, since it uses less digits than its factorization.

12553115554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14179 (or 14162 counting only the distinct ones).

The product of its digits is 75000, while the sum is 37.

The spelling of 12553115554 in words is "twelve billion, five hundred fifty-three million, one hundred fifteen thousand, five hundred fifty-four".