11402661613 has 4 divisors (see below), whose sum is σ = 13031613280. Its totient is φ = 9773709948.

The previous prime is 11402661553. The next prime is 11402661629. The reversal of 11402661613 is 31616620411.

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 a de Polignac number, because none of the positive numbers 2^k-11402661613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402661013) 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, 814475823 + ... + 814475836.

It is an arithmetic number, because the mean of its divisors is an integer number (3257903320).

Almost surely, 2^11402661613 is an apocalyptic number.

It is an amenable number.

11402661613 is a deficient number, since it is larger than the sum of its proper divisors (1628951667).

11402661613 is an equidigital number, since it uses as much as digits as its factorization.

11402661613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628951666.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 11402661613 in words is "eleven billion, four hundred two million, six hundred sixty-one thousand, six hundred thirteen".