2551187248380 has 144 divisors (see below), whose sum is σ = 8348413941504. Its totient is φ = 628216842240.

The previous prime is 2551187248369. The next prime is 2551187248403. The reversal of 2551187248380 is 838427811552.

It is a happy number.

2551187248380 is a `hidden beast` number, since 2 + 5 + 5 + 1 + 1 + 87 + 2 + 483 + 80 = 666.

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 47 ways as a sum of consecutive naturals, for example, 7703116 + ... + 8027475.

It is an arithmetic number, because the mean of its divisors is an integer number (57975096816).

Almost surely, 2^{2551187248380} is an apocalyptic number.

2551187248380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551187248380 is an abundant number, since it is smaller than the sum of its proper divisors (5797226693124).

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

2551187248380 is a wasteful number, since it uses less digits than its factorization.

2551187248380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15730676 (or 15730671 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The spelling of 2551187248380 in words is "two trillion, five hundred fifty-one billion, one hundred eighty-seven million, two hundred forty-eight thousand, three hundred eighty".