10857998405 has 8 divisors (see below), whose sum is σ = 13213113984. Its totient is φ = 8564054800.

The previous prime is 10857998399. The next prime is 10857998441. The reversal of 10857998405 is 50489975801.

10857998405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10857998405 - 2³² = 6563031109 is a prime.

It is a super-2 number, since 2×10857998405² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15292601 + ... + 15293310.

It is an arithmetic number, because the mean of its divisors is an integer number (1651639248).

Almost surely, 2^10857998405 is an apocalyptic number.

It is an amenable number.

10857998405 is a deficient number, since it is larger than the sum of its proper divisors (2355115579).

10857998405 is an equidigital number, since it uses as much as digits as its factorization.

10857998405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30585987.

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 10857998405 in words is "ten billion, eight hundred fifty-seven million, nine hundred ninety-eight thousand, four hundred five".