10554121553 has 16 divisors (see below), whose sum is σ = 10814392512. Its totient is φ = 10297560000.

The previous prime is 10554121531. The next prime is 10554121579. The reversal of 10554121553 is 35512145501.

It is a cyclic number.

It is not a de Polignac number, because 10554121553 - 2²² = 10549927249 is a prime.

It is a super-2 number, since 2×10554121553² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10554121153) 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, 3863198 + ... + 3865928.

It is an arithmetic number, because the mean of its divisors is an integer number (675899532).

Almost surely, 2^10554121553 is an apocalyptic number.

It is an amenable number.

10554121553 is a deficient number, since it is larger than the sum of its proper divisors (260270959).

10554121553 is a wasteful number, since it uses less digits than its factorization.

10554121553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 10554121553 in words is "ten billion, five hundred fifty-four million, one hundred twenty-one thousand, five hundred fifty-three".