5274561181780 has 48 divisors (see below), whose sum is σ = 12083888105856. Its totient is φ = 1917967018880.

The previous prime is 5274561181751. The next prime is 5274561181789. The reversal of 5274561181780 is 871811654725.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5274561181789) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7742097 + ... + 8395783.

It is an arithmetic number, because the mean of its divisors is an integer number (251747668872).

Almost surely, 2^{5274561181780} is an apocalyptic number.

It is an amenable number.

5274561181780 is an abundant number, since it is smaller than the sum of its proper divisors (6809326924076).

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

5274561181780 is a wasteful number, since it uses less digits than its factorization.

5274561181780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690384 (or 690382 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 55.

The spelling of 5274561181780 in words is "five trillion, two hundred seventy-four billion, five hundred sixty-one million, one hundred eighty-one thousand, seven hundred eighty".