11406877856 has 24 divisors (see below), whose sum is σ = 24498863424. Its totient is φ = 5184944320.

The previous prime is 11406877841. The next prime is 11406877913. The reversal of 11406877856 is 65877860411.

It is a junction number, because it is equal to n+sod(n) for n = 11406877798 and 11406877807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16202600 + ... + 16203303.

It is an arithmetic number, because the mean of its divisors is an integer number (1020785976).

Almost surely, 2^11406877856 is an apocalyptic number.

11406877856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11406877856 is an abundant number, since it is smaller than the sum of its proper divisors (13091985568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11406877856 is a wasteful number, since it uses less digits than its factorization.

11406877856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32405924 (or 32405916 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 11406877856 in words is "eleven billion, four hundred six million, eight hundred seventy-seven thousand, eight hundred fifty-six".