11312014420 has 72 divisors (see below), whose sum is σ = 28653053184. Its totient is φ = 3674261952.

The previous prime is 11312014409. The next prime is 11312014457. The reversal of 11312014420 is 2441021311.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 61372 + ... + 162451.

It is an arithmetic number, because the mean of its divisors is an integer number (397959072).

Almost surely, 2^11312014420 is an apocalyptic number.

11312014420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11312014420 is an abundant number, since it is smaller than the sum of its proper divisors (17341038764).

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

11312014420 is a wasteful number, since it uses less digits than its factorization.

11312014420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223877 (or 223856 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11312014420 its reverse (2441021311), we get a palindrome (13753035731).

The spelling of 11312014420 in words is "eleven billion, three hundred twelve million, fourteen thousand, four hundred twenty".