113402254551 has 4 divisors (see below), whose sum is σ = 151203006072. Its totient is φ = 75601503032.

The previous prime is 113402254543. The next prime is 113402254573. The reversal of 113402254551 is 155452204311.

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 113402254551 - 2³ = 113402254543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113402254541) 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, 18900375756 + ... + 18900375761.

It is an arithmetic number, because the mean of its divisors is an integer number (37800751518).

Almost surely, 2^113402254551 is an apocalyptic number.

113402254551 is a deficient number, since it is larger than the sum of its proper divisors (37800751521).

113402254551 is an equidigital number, since it uses as much as digits as its factorization.

113402254551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37800751520.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 113402254551 its reverse (155452204311), we get a palindrome (268854458862).

The spelling of 113402254551 in words is "one hundred thirteen billion, four hundred two million, two hundred fifty-four thousand, five hundred fifty-one".