11740737431 has 4 divisors (see below), whose sum is σ = 12358671000. Its totient is φ = 11122803864.

The previous prime is 11740737413. The next prime is 11740737479. The reversal of 11740737431 is 13473704711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11740737431 is a prime.

It is a super-2 number, since 2×11740737431² (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 (11740737401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308966756 + ... + 308966793.

It is an arithmetic number, because the mean of its divisors is an integer number (3089667750).

Almost surely, 2^11740737431 is an apocalyptic number.

11740737431 is a deficient number, since it is larger than the sum of its proper divisors (617933569).

11740737431 is an equidigital number, since it uses as much as digits as its factorization.

11740737431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617933568.

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 11740737431 in words is "eleven billion, seven hundred forty million, seven hundred thirty-seven thousand, four hundred thirty-one".