11331255533431 has 8 divisors (see below), whose sum is σ = 12059964746784. Its totient is φ = 10609453516800.

The previous prime is 11331255533417. The next prime is 11331255533453. The reversal of 11331255533431 is 13433555213311.

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 11331255533431 - 2⁷ = 11331255533303 is a prime.

It is a super-2 number, since 2×11331255533431² (a number of 27 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 (11331255533471) 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, 1726795795 + ... + 1726802356.

It is an arithmetic number, because the mean of its divisors is an integer number (1507495593348).

Almost surely, 2^{11331255533431} is an apocalyptic number.

11331255533431 is a deficient number, since it is larger than the sum of its proper divisors (728709213353).

11331255533431 is a wasteful number, since it uses less digits than its factorization.

11331255533431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453598361.

The product of its digits is 243000, while the sum is 40.

The spelling of 11331255533431 in words is "eleven trillion, three hundred thirty-one billion, two hundred fifty-five million, five hundred thirty-three thousand, four hundred thirty-one".