61481373054382 has 32 divisors (see below), whose sum is σ = 94281794150400. Its totient is φ = 30055469891040.

The previous prime is 61481373054341. The next prime is 61481373054419. The reversal of 61481373054382 is 28345037318416.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031865832 + ... + 1031925412.

It is an arithmetic number, because the mean of its divisors is an integer number (2946306067200).

Almost surely, 2^{61481373054382} is an apocalyptic number.

61481373054382 is a deficient number, since it is larger than the sum of its proper divisors (32800421096018).

61481373054382 is a wasteful number, since it uses less digits than its factorization.

61481373054382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70816.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 61481373054382 in words is "sixty-one trillion, four hundred eighty-one billion, three hundred seventy-three million, fifty-four thousand, three hundred eighty-two".