326425083551 has 72 divisors (see below), whose sum is σ = 426704015520. Its totient is φ = 248416616448.

The previous prime is 326425083539. The next prime is 326425083571. The reversal of 326425083551 is 155380524623.

It is not a de Polignac number, because 326425083551 - 2³⁰ = 325351341727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326425083511) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23769455 + ... + 23783183.

It is an arithmetic number, because the mean of its divisors is an integer number (5926444660).

Almost surely, 2^326425083551 is an apocalyptic number.

326425083551 is a deficient number, since it is larger than the sum of its proper divisors (100278931969).

326425083551 is a wasteful number, since it uses less digits than its factorization.

326425083551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13873 (or 13849 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 326425083551 in words is "three hundred twenty-six billion, four hundred twenty-five million, eighty-three thousand, five hundred fifty-one".