61037943784020 has 144 divisors (see below), whose sum is σ = 211601407949568. Its totient is φ = 13951318832640.

The previous prime is 61037943784001. The next prime is 61037943784033. The reversal of 61037943784020 is 2048734973016.

61037943784020 is a `hidden beast` number, since 6 + 103 + 7 + 9 + 437 + 84 + 0 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92175505 + ... + 92835335.

It is an arithmetic number, because the mean of its divisors is an integer number (1469454221872).

Almost surely, 2^{61037943784020} is an apocalyptic number.

61037943784020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61037943784020 is an abundant number, since it is smaller than the sum of its proper divisors (150563464165548).

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

61037943784020 is a wasteful number, since it uses less digits than its factorization.

61037943784020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733270 (or 733265 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 61037943784020 in words is "sixty-one trillion, thirty-seven billion, nine hundred forty-three million, seven hundred eighty-four thousand, twenty".