11245512072 has 16 divisors (see below), whose sum is σ = 28113780240. Its totient is φ = 3748504016.

The previous prime is 11245512037. The next prime is 11245512073. The reversal of 11245512072 is 27021554211.

It is a happy number.

It is a super-2 number, since 2×11245512072² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11245512073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234281478 + ... + 234281525.

It is an arithmetic number, because the mean of its divisors is an integer number (1757111265).

Almost surely, 2^11245512072 is an apocalyptic number.

11245512072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11245512072 is an abundant number, since it is smaller than the sum of its proper divisors (16868268168).

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

11245512072 is a wasteful number, since it uses less digits than its factorization.

11245512072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468563012 (or 468563008 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The spelling of 11245512072 in words is "eleven billion, two hundred forty-five million, five hundred twelve thousand, seventy-two".