11749579742 has 8 divisors (see below), whose sum is σ = 17656948632. Its totient is φ = 5863930200.

The previous prime is 11749579741. The next prime is 11749579753. The reversal of 11749579742 is 24797594711.

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

It is a super-2 number, since 2×11749579742² (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 (11749579741) 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, 5428484 + ... + 5430647.

It is an arithmetic number, because the mean of its divisors is an integer number (2207118579).

Almost surely, 2^11749579742 is an apocalyptic number.

11749579742 is a deficient number, since it is larger than the sum of its proper divisors (5907368890).

11749579742 is a wasteful number, since it uses less digits than its factorization.

11749579742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10859674.

The product of its digits is 4445280, while the sum is 56.

The spelling of 11749579742 in words is "eleven billion, seven hundred forty-nine million, five hundred seventy-nine thousand, seven hundred forty-two".