61910540445048 has 64 divisors (see below), whose sum is σ = 160295795665920. Its totient is φ = 19913289379200.

The previous prime is 61910540445043. The next prime is 61910540445049. The reversal of 61910540445048 is 84054404501916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61910540445041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386435623 + ... + 386595798.

It is an arithmetic number, because the mean of its divisors is an integer number (2504621807280).

Almost surely, 2^{61910540445048} is an apocalyptic number.

It is an amenable number.

61910540445048 is an abundant number, since it is smaller than the sum of its proper divisors (98385255220872).

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

61910540445048 is a wasteful number, since it uses less digits than its factorization.

61910540445048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773031548 (or 773031544 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 61910540445048 in words is "sixty-one trillion, nine hundred ten billion, five hundred forty million, four hundred forty-five thousand, forty-eight".