11379741557 has 4 divisors (see below), whose sum is σ = 11380206336. Its totient is φ = 11379276780.

The previous prime is 11379741553. The next prime is 11379741589. The reversal of 11379741557 is 75514797311.

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 a cyclic number.

It is not a de Polignac number, because 11379741557 - 2² = 11379741553 is a prime.

It is a super-2 number, since 2×11379741557² (a number of 21 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 (11379741553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193493 + ... + 245354.

It is an arithmetic number, because the mean of its divisors is an integer number (2845051584).

Almost surely, 2^11379741557 is an apocalyptic number.

It is an amenable number.

11379741557 is a deficient number, since it is larger than the sum of its proper divisors (464779).

11379741557 is an equidigital number, since it uses as much as digits as its factorization.

11379741557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464778.

The product of its digits is 926100, while the sum is 50.

The spelling of 11379741557 in words is "eleven billion, three hundred seventy-nine million, seven hundred forty-one thousand, five hundred fifty-seven".