113551553121 has 8 divisors (see below), whose sum is σ = 151432969920. Its totient is φ = 75685585872.

The previous prime is 113551553047. The next prime is 113551553123. The reversal of 113551553121 is 121355155311.

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

It is not a de Polignac number, because 113551553121 - 2¹⁰ = 113551552097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113551553123) 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, 3845226 + ... + 3874643.

It is an arithmetic number, because the mean of its divisors is an integer number (18929121240).

Almost surely, 2^113551553121 is an apocalyptic number.

It is an amenable number.

113551553121 is a deficient number, since it is larger than the sum of its proper divisors (37881416799).

113551553121 is an equidigital number, since it uses as much as digits as its factorization.

113551553121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7724775.

The product of its digits is 11250, while the sum is 33.

The spelling of 113551553121 in words is "one hundred thirteen billion, five hundred fifty-one million, five hundred fifty-three thousand, one hundred twenty-one".