11431579285 has 8 divisors (see below), whose sum is σ = 15677594496. Its totient is φ = 7838797200.

The previous prime is 11431579261. The next prime is 11431579361. The reversal of 11431579285 is 58297513411.

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

It is not a de Polignac number, because 11431579285 - 2⁹ = 11431578773 is a prime.

It is a super-2 number, since 2×11431579285² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163308241 + ... + 163308310.

It is an arithmetic number, because the mean of its divisors is an integer number (1959699312).

Almost surely, 2^11431579285 is an apocalyptic number.

It is an amenable number.

11431579285 is a deficient number, since it is larger than the sum of its proper divisors (4246015211).

11431579285 is an equidigital number, since it uses as much as digits as its factorization.

11431579285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326616563.

The product of its digits is 302400, while the sum is 46.

It can be divided in two parts, 114315 and 79285, that added together give a square (193600 = 440²).

The spelling of 11431579285 in words is "eleven billion, four hundred thirty-one million, five hundred seventy-nine thousand, two hundred eighty-five".