11451326225525 has 12 divisors (see below), whose sum is σ = 14199790164192. Its totient is φ = 9160967016240.

The previous prime is 11451326225473. The next prime is 11451326225579. The reversal of 11451326225525 is 52552262315411.

It is not a de Polignac number, because 11451326225525 - 2¹² = 11451326221429 is a prime.

It is a super-2 number, since 2×11451326225525² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190874 + ... + 4789476.

It is an arithmetic number, because the mean of its divisors is an integer number (1183315847016).

Almost surely, 2^{11451326225525} is an apocalyptic number.

It is an amenable number.

11451326225525 is a deficient number, since it is larger than the sum of its proper divisors (2748463938667).

11451326225525 is an equidigital number, since it uses as much as digits as its factorization.

11451326225525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698220 (or 4698215 counting only the distinct ones).

The product of its digits is 720000, while the sum is 44.

The spelling of 11451326225525 in words is "eleven trillion, four hundred fifty-one billion, three hundred twenty-six million, two hundred twenty-five thousand, five hundred twenty-five".