11450772520 has 64 divisors (see below), whose sum is σ = 28126880640. Its totient is φ = 4160889600.

The previous prime is 11450772493. The next prime is 11450772527. The reversal of 11450772520 is 2527705411.

It is a super-2 number, since 2×11450772520² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11450772527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648205 + ... + 665635.

It is an arithmetic number, because the mean of its divisors is an integer number (439482510).

Almost surely, 2^11450772520 is an apocalyptic number.

11450772520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11450772520 is an abundant number, since it is smaller than the sum of its proper divisors (16676108120).

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

11450772520 is a wasteful number, since it uses less digits than its factorization.

11450772520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18946 (or 18942 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The spelling of 11450772520 in words is "eleven billion, four hundred fifty million, seven hundred seventy-two thousand, five hundred twenty".