11315450880 has 132 divisors (see below), whose sum is σ = 39207902292. Its totient is φ = 3017441280.

The previous prime is 11315450863. The next prime is 11315450929. The reversal of 11315450880 is 8805451311.

11315450880 is a `hidden beast` number, since 1 + 1 + 31 + 545 + 0 + 8 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5578297344 + 5737153536 = 74688^2 + 75744^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76701 + ... + 168860.

Almost surely, 2^11315450880 is an apocalyptic number.

11315450880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11315450880 is an abundant number, since it is smaller than the sum of its proper divisors (27892451412).

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

11315450880 is a wasteful number, since it uses less digits than its factorization.

11315450880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245592 (or 245571 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 11315450880 in words is "eleven billion, three hundred fifteen million, four hundred fifty thousand, eight hundred eighty".