10403554455 has 24 divisors (see below), whose sum is σ = 20608946592. Its totient is φ = 4755910464.

The previous prime is 10403554451. The next prime is 10403554487. The reversal of 10403554455 is 55445530401.

10403554455 is a `hidden beast` number, since 10 + 40 + 3 + 554 + 4 + 55 = 666.

It is not a de Polignac number, because 10403554455 - 2² = 10403554451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10403554451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16513264 + ... + 16513893.

It is an arithmetic number, because the mean of its divisors is an integer number (858706108).

Almost surely, 2^10403554455 is an apocalyptic number.

10403554455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10403554455 is a deficient number, since it is larger than the sum of its proper divisors (10205392137).

10403554455 is a wasteful number, since it uses less digits than its factorization.

10403554455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33027175 (or 33027172 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 10403554455 in words is "ten billion, four hundred three million, five hundred fifty-four thousand, four hundred fifty-five".