551401532325 has 120 divisors (see below), whose sum is σ = 1175137286400. Its totient is φ = 250376572800.

The previous prime is 551401532317. The next prime is 551401532333. The reversal of 551401532325 is 523235104155.

551401532325 is a `hidden beast` number, since 5 + 51 + 40 + 1 + 532 + 32 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (551401532317) and next prime (551401532333).

It is not a de Polignac number, because 551401532325 - 2³ = 551401532317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551401532325.

It is a congruent number.

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 in 119 ways as a sum of consecutive naturals, for example, 1981540 + ... + 2242610.

It is an arithmetic number, because the mean of its divisors is an integer number (9792810720).

Almost surely, 2^551401532325 is an apocalyptic number.

It is an amenable number.

551401532325 is an abundant number, since it is smaller than the sum of its proper divisors (623735754075).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551401532325 is a wasteful number, since it uses less digits than its factorization.

551401532325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261249 (or 261235 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 551401532325 in words is "five hundred fifty-one billion, four hundred one million, five hundred thirty-two thousand, three hundred twenty-five".