11621752113 has 4 divisors (see below), whose sum is σ = 15495669488. Its totient is φ = 7747834740.

The previous prime is 11621752081. The next prime is 11621752123. The reversal of 11621752113 is 31125712611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11621752113 - 2⁵ = 11621752081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11621752123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936958683 + ... + 1936958688.

It is an arithmetic number, because the mean of its divisors is an integer number (3873917372).

Almost surely, 2^11621752113 is an apocalyptic number.

It is an amenable number.

11621752113 is a deficient number, since it is larger than the sum of its proper divisors (3873917375).

11621752113 is an equidigital number, since it uses as much as digits as its factorization.

11621752113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873917374.

The product of its digits is 2520, while the sum is 30.

The spelling of 11621752113 in words is "eleven billion, six hundred twenty-one million, seven hundred fifty-two thousand, one hundred thirteen".