113520551413 has 4 divisors (see below), whose sum is σ = 113522045868. Its totient is φ = 113519056960.

The previous prime is 113520551393. The next prime is 113520551429. The reversal of 113520551413 is 314155025311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314155025311 = 499 ⋅629569189.

It can be written as a sum of positive squares in 2 ways, for example, as 10632290769 + 102888260644 = 103113^2 + 320762^2 .

It is a cyclic number.

It is not a de Polignac number, because 113520551413 - 2³³ = 104930616821 is a prime.

It is a super-2 number, since 2×113520551413² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113520551453) 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, 626818 + ... + 787363.

It is an arithmetic number, because the mean of its divisors is an integer number (28380511467).

Almost surely, 2^113520551413 is an apocalyptic number.

It is an amenable number.

113520551413 is a deficient number, since it is larger than the sum of its proper divisors (1494455).

113520551413 is an equidigital number, since it uses as much as digits as its factorization.

113520551413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494454.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 113520551413 its reverse (314155025311), we get a palindrome (427675576724).

The spelling of 113520551413 in words is "one hundred thirteen billion, five hundred twenty million, five hundred fifty-one thousand, four hundred thirteen".