11245261272 has 96 divisors (see below), whose sum is σ = 33463742400. Its totient is φ = 3138198336.

The previous prime is 11245261249. The next prime is 11245261277. The reversal of 11245261272 is 27216254211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11245261277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60622 + ... + 161757.

It is an arithmetic number, because the mean of its divisors is an integer number (348580650).

Almost surely, 2^11245261272 is an apocalyptic number.

11245261272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11245261272 is an abundant number, since it is smaller than the sum of its proper divisors (22218481128).

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

11245261272 is a wasteful number, since it uses less digits than its factorization.

11245261272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222445 (or 222434 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The spelling of 11245261272 in words is "eleven billion, two hundred forty-five million, two hundred sixty-one thousand, two hundred seventy-two".