611885506744734 has 96 divisors (see below), whose sum is σ = 1296478964689920. Its totient is φ = 192493492329600.

The previous prime is 611885506744717. The next prime is 611885506744781. The reversal of 611885506744734 is 437447605588116.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 923812339 + ... + 924474449.

It is an arithmetic number, because the mean of its divisors is an integer number (13504989215520).

Almost surely, 2^{611885506744734} is an apocalyptic number.

611885506744734 is an abundant number, since it is smaller than the sum of its proper divisors (684593457945186).

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

611885506744734 is a wasteful number, since it uses less digits than its factorization.

611885506744734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663774 (or 663755 counting only the distinct ones).

The product of its (nonzero) digits is 541900800, while the sum is 69.

The spelling of 611885506744734 in words is "six hundred eleven trillion, eight hundred eighty-five billion, five hundred six million, seven hundred forty-four thousand, seven hundred thirty-four".