11312353551 has 8 divisors (see below), whose sum is σ = 15876987520. Its totient is φ = 7144644312.

The previous prime is 11312353543. The next prime is 11312353567. The reversal of 11312353551 is 15535321311.

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

It is not a de Polignac number, because 11312353551 - 2³ = 11312353543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312353651) 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, 99231115 + ... + 99231228.

It is an arithmetic number, because the mean of its divisors is an integer number (1984623440).

Almost surely, 2^11312353551 is an apocalyptic number.

11312353551 is a deficient number, since it is larger than the sum of its proper divisors (4564633969).

11312353551 is a wasteful number, since it uses less digits than its factorization.

11312353551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198462365.

The product of its digits is 6750, while the sum is 30.

Adding to 11312353551 its reverse (15535321311), we get a palindrome (26847674862).

The spelling of 11312353551 in words is "eleven billion, three hundred twelve million, three hundred fifty-three thousand, five hundred fifty-one".