11507449983 has 8 divisors (see below), whose sum is σ = 15361049088. Its totient is φ = 7662742104.

The previous prime is 11507449963. The next prime is 11507450011. The reversal of 11507449983 is 38994470511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11507449983 - 2²⁰ = 11506401407 is a prime.

It is a super-2 number, since 2×11507449983² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11507449903) 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, 2219785 + ... + 2224962.

It is an arithmetic number, because the mean of its divisors is an integer number (1920131136).

Almost surely, 2^11507449983 is an apocalyptic number.

11507449983 is a deficient number, since it is larger than the sum of its proper divisors (3853599105).

11507449983 is an equidigital number, since it uses as much as digits as its factorization.

11507449983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445613.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 11507449983 in words is "eleven billion, five hundred seven million, four hundred forty-nine thousand, nine hundred eighty-three".