61252481304 has 48 divisors (see below), whose sum is σ = 189591015120. Its totient is φ = 17500708800.

The previous prime is 61252481299. The next prime is 61252481327. The reversal of 61252481304 is 40318425216.

It is a happy number.

61252481304 is a `hidden beast` number, since 61 + 252 + 48 + 1 + 304 = 666.

It is a super-3 number, since 3×61252481304³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 60765847 + ... + 60766854.

It is an arithmetic number, because the mean of its divisors is an integer number (3949812815).

Almost surely, 2^61252481304 is an apocalyptic number.

It is an amenable number.

61252481304 is an abundant number, since it is smaller than the sum of its proper divisors (128338533816).

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

61252481304 is a wasteful number, since it uses less digits than its factorization.

61252481304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121532720 (or 121532713 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 61252481304 in words is "sixty-one billion, two hundred fifty-two million, four hundred eighty-one thousand, three hundred four".