11513025122 has 4 divisors (see below), whose sum is σ = 17269537686. Its totient is φ = 5756512560.

The previous prime is 11513025119. The next prime is 11513025169. The reversal of 11513025122 is 22152031511.

11513025122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22152031511 = 15601 ⋅1419911.

It can be written as a sum of positive squares in only one way, i.e., 11056732801 + 456292321 = 105151^2 + 21361^2 .

It is a super-2 number, since 2×11513025122² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2878256279 + ... + 2878256282.

Almost surely, 2^11513025122 is an apocalyptic number.

11513025122 is a deficient number, since it is larger than the sum of its proper divisors (5756512564).

11513025122 is an equidigital number, since it uses as much as digits as its factorization.

11513025122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756512563.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11513025122 its reverse (22152031511), we get a palindrome (33665056633).

The spelling of 11513025122 in words is "eleven billion, five hundred thirteen million, twenty-five thousand, one hundred twenty-two".