113003510551 has 4 divisors (see below), whose sum is σ = 113004304504. Its totient is φ = 113002716600.

The previous prime is 113003510513. The next prime is 113003510579. The reversal of 113003510551 is 155015300311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 155015300311 = 53 ⋅2924816987.

It is a cyclic number.

It is not a de Polignac number, because 113003510551 - 2¹⁷ = 113003379479 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 (113003510251) 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, 118245 + ... + 489886.

It is an arithmetic number, because the mean of its divisors is an integer number (28251076126).

Almost surely, 2^113003510551 is an apocalyptic number.

113003510551 is a deficient number, since it is larger than the sum of its proper divisors (793953).

113003510551 is an equidigital number, since it uses as much as digits as its factorization.

113003510551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793952.

The product of its (nonzero) digits is 1125, while the sum is 25.

Adding to 113003510551 its reverse (155015300311), we get a palindrome (268018810862).

The spelling of 113003510551 in words is "one hundred thirteen billion, three million, five hundred ten thousand, five hundred fifty-one".