11312431020045 has 24 divisors (see below), whose sum is σ = 19686334161312. Its totient is φ = 6009259500000.

The previous prime is 11312431020031. The next prime is 11312431020053. The reversal of 11312431020045 is 54002013421311.

11312431020045 is a `hidden beast` number, since 1 + 13 + 12 + 431 + 0 + 200 + 4 + 5 = 666.

It is not a de Polignac number, because 11312431020045 - 2⁴ = 11312431020029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 500760331 + ... + 500782920.

It is an arithmetic number, because the mean of its divisors is an integer number (820263923388).

Almost surely, 2^{11312431020045} is an apocalyptic number.

11312431020045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11312431020045 is a deficient number, since it is larger than the sum of its proper divisors (8373903141267).

11312431020045 is a wasteful number, since it uses less digits than its factorization.

11312431020045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001543513 (or 1001543510 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 11312431020045 its reverse (54002013421311), we get a palindrome (65314444441356).

The spelling of 11312431020045 in words is "eleven trillion, three hundred twelve billion, four hundred thirty-one million, twenty thousand, forty-five".