11455421325 has 24 divisors (see below), whose sum is σ = 19296988128. Its totient is φ = 5994281280.

The previous prime is 11455421303. The next prime is 11455421339. The reversal of 11455421325 is 52312455411.

It is not a de Polignac number, because 11455421325 - 2⁹ = 11455420813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1436959 + ... + 1444908.

It is an arithmetic number, because the mean of its divisors is an integer number (804041172).

Almost surely, 2^11455421325 is an apocalyptic number.

11455421325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11455421325 is a deficient number, since it is larger than the sum of its proper divisors (7841566803).

11455421325 is a wasteful number, since it uses less digits than its factorization.

11455421325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881933 (or 2881928 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

Adding to 11455421325 its reverse (52312455411), we get a palindrome (63767876736).

The spelling of 11455421325 in words is "eleven billion, four hundred fifty-five million, four hundred twenty-one thousand, three hundred twenty-five".