113500302551 has 4 divisors (see below), whose sum is σ = 113637546792. Its totient is φ = 113363058312.

The previous prime is 113500302533. The next prime is 113500302557. The reversal of 113500302551 is 155203005311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155203005311 = 313 ⋅495856247.

It is a cyclic number.

It is not a de Polignac number, because 113500302551 - 2²² = 113496108247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113500302551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113500302557) 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, 68620880 + ... + 68622533.

It is an arithmetic number, because the mean of its divisors is an integer number (28409386698).

Almost surely, 2^113500302551 is an apocalyptic number.

113500302551 is a deficient number, since it is larger than the sum of its proper divisors (137244241).

113500302551 is an equidigital number, since it uses as much as digits as its factorization.

113500302551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137244240.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 113500302551 its reverse (155203005311), we get a palindrome (268703307862).

The spelling of 113500302551 in words is "one hundred thirteen billion, five hundred million, three hundred two thousand, five hundred fifty-one".