11599538013949 has 8 divisors (see below), whose sum is σ = 11759675401152. Its totient is φ = 11439434129760.

The previous prime is 11599538013893. The next prime is 11599538013967. The reversal of 11599538013949 is 94931083599511.

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

It is a de Polignac number, because none of the positive numbers 2^k-11599538013949 is a prime.

It is a super-2 number, since 2×11599538013949² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11599538013979) 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, 7678129 + ... + 9063814.

It is an arithmetic number, because the mean of its divisors is an integer number (1469959425144).

Almost surely, 2^{11599538013949} is an apocalyptic number.

It is an amenable number.

11599538013949 is a deficient number, since it is larger than the sum of its proper divisors (160137387203).

11599538013949 is an equidigital number, since it uses as much as digits as its factorization.

11599538013949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16751507.

The product of its (nonzero) digits is 47239200, while the sum is 67.

The spelling of 11599538013949 in words is "eleven trillion, five hundred ninety-nine billion, five hundred thirty-eight million, thirteen thousand, nine hundred forty-nine".