11199508752 has 40 divisors (see below), whose sum is σ = 29093718240. Its totient is φ = 3712311040.

The previous prime is 11199508739. The next prime is 11199508757. The reversal of 11199508752 is 25780599111.

It is a super-2 number, since 2×11199508752² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (11199508757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643149 + ... + 660332.

It is an arithmetic number, because the mean of its divisors is an integer number (727342956).

Almost surely, 2^11199508752 is an apocalyptic number.

11199508752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11199508752 is an abundant number, since it is smaller than the sum of its proper divisors (17894209488).

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

11199508752 is a wasteful number, since it uses less digits than its factorization.

11199508752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303671 (or 1303665 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 48.

The spelling of 11199508752 in words is "eleven billion, one hundred ninety-nine million, five hundred eight thousand, seven hundred fifty-two".