11312100540 has 72 divisors (see below), whose sum is σ = 36952869408. Its totient is φ = 2784516480.

The previous prime is 11312100497. The next prime is 11312100559. The reversal of 11312100540 is 4500121311.

11312100540 is a `hidden beast` number, since 1 + 1 + 3 + 121 + 0 + 0 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2414776 + ... + 2419455.

Almost surely, 2^11312100540 is an apocalyptic number.

11312100540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11312100540 is an abundant number, since it is smaller than the sum of its proper divisors (25640768868).

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

11312100540 is a wasteful number, since it uses less digits than its factorization.

11312100540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834259 (or 4834254 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 11312100540 its reverse (4500121311), we get a palindrome (15812221851).

The spelling of 11312100540 in words is "eleven billion, three hundred twelve million, one hundred thousand, five hundred forty".