61780612481294 has 32 divisors (see below), whose sum is σ = 111946400544000. Its totient is φ = 24979775276160.

The previous prime is 61780612481293. The next prime is 61780612481311. The reversal of 61780612481294 is 49218421608716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61780612481293) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 481798844 + ... + 481927055.

It is an arithmetic number, because the mean of its divisors is an integer number (3498325017000).

Almost surely, 2^{61780612481294} is an apocalyptic number.

61780612481294 is a deficient number, since it is larger than the sum of its proper divisors (50165788062706).

61780612481294 is a wasteful number, since it uses less digits than its factorization.

61780612481294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963726168.

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 61780612481294 in words is "sixty-one trillion, seven hundred eighty billion, six hundred twelve million, four hundred eighty-one thousand, two hundred ninety-four".