11553112451 has 8 divisors (see below), whose sum is σ = 12059930400. Its totient is φ = 11046670272.

The previous prime is 11553112447. The next prime is 11553112499. The reversal of 11553112451 is 15421135511.

It is a happy number.

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 11553112451 - 2² = 11553112447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11553112411) 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, 30176 + ... + 154973.

It is an arithmetic number, because the mean of its divisors is an integer number (1507491300).

Almost surely, 2^11553112451 is an apocalyptic number.

11553112451 is a deficient number, since it is larger than the sum of its proper divisors (506817949).

11553112451 is a wasteful number, since it uses less digits than its factorization.

11553112451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187885.

The product of its digits is 3000, while the sum is 29.

Adding to 11553112451 its reverse (15421135511), we get a palindrome (26974247962).

The spelling of 11553112451 in words is "eleven billion, five hundred fifty-three million, one hundred twelve thousand, four hundred fifty-one".