11312506336651 has 4 divisors (see below), whose sum is σ = 12182699131792. Its totient is φ = 10442313541512.

The previous prime is 11312506336643. The next prime is 11312506336753. The reversal of 11312506336651 is 15663360521311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11312506336651 - 2³ = 11312506336643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11312506336598 and 11312506336607.

It is not an unprimeable number, because it can be changed into a prime (11312506336051) 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, 435096397551 + ... + 435096397576.

It is an arithmetic number, because the mean of its divisors is an integer number (3045674782948).

Almost surely, 2^{11312506336651} is an apocalyptic number.

11312506336651 is a deficient number, since it is larger than the sum of its proper divisors (870192795141).

11312506336651 is an equidigital number, since it uses as much as digits as its factorization.

11312506336651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870192795140.

The product of its (nonzero) digits is 291600, while the sum is 43.

Adding to 11312506336651 its reverse (15663360521311), we get a palindrome (26975866857962).

The spelling of 11312506336651 in words is "eleven trillion, three hundred twelve billion, five hundred six million, three hundred thirty-six thousand, six hundred fifty-one".