11554562451 has 16 divisors (see below), whose sum is σ = 16009804800. Its totient is φ = 7404516960.

The previous prime is 11554562447. The next prime is 11554562543. The reversal of 11554562451 is 15426545511.

It is not a de Polignac number, because 11554562451 - 2² = 11554562447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11554562401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403065 + ... + 430778.

It is an arithmetic number, because the mean of its divisors is an integer number (1000612800).

Almost surely, 2^11554562451 is an apocalyptic number.

11554562451 is a deficient number, since it is larger than the sum of its proper divisors (4455242349).

11554562451 is a wasteful number, since it uses less digits than its factorization.

11554562451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834026.

The product of its digits is 120000, while the sum is 39.

The spelling of 11554562451 in words is "eleven billion, five hundred fifty-four million, five hundred sixty-two thousand, four hundred fifty-one".