11839240651 has 8 divisors (see below), whose sum is σ = 14242695680. Its totient is φ = 9613819368.

The previous prime is 11839240607. The next prime is 11839240687. The reversal of 11839240651 is 15604293811.

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

It is a cyclic number.

It is not a de Polignac number, because 11839240651 - 2²⁹ = 11302369739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11839240601) 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, 44508291 + ... + 44508556.

It is an arithmetic number, because the mean of its divisors is an integer number (1780336960).

Almost surely, 2^11839240651 is an apocalyptic number.

11839240651 is a deficient number, since it is larger than the sum of its proper divisors (2403455029).

11839240651 is an equidigital number, since it uses as much as digits as its factorization.

11839240651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89016873.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 11839240651 in words is "eleven billion, eight hundred thirty-nine million, two hundred forty thousand, six hundred fifty-one".