11325453121 has 4 divisors (see below), whose sum is σ = 11326846000. Its totient is φ = 11324060244.

The previous prime is 11325453109. The next prime is 11325453149. The reversal of 11325453121 is 12135452311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12135452311 = 47 ⋅258201113.

It is a cyclic number.

It is not a de Polignac number, because 11325453121 - 2¹¹ = 11325451073 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 11325453121.

It is not an unprimeable number, because it can be changed into a prime (11325453521) 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, 684171 + ... + 700528.

It is an arithmetic number, because the mean of its divisors is an integer number (2831711500).

Almost surely, 2^11325453121 is an apocalyptic number.

It is an amenable number.

11325453121 is a deficient number, since it is larger than the sum of its proper divisors (1392879).

11325453121 is an equidigital number, since it uses as much as digits as its factorization.

11325453121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392878.

The product of its digits is 3600, while the sum is 28.

It can be divided in two parts, 113254 and 53121, that added together give a cube (166375 = 55³).

The spelling of 11325453121 in words is "eleven billion, three hundred twenty-five million, four hundred fifty-three thousand, one hundred twenty-one".