2611193738790 has 256 divisors, whose sum is σ = 8380924231680. Its totient is φ = 505099722240.

The previous prime is 2611193738789. The next prime is 2611193738837. The reversal of 2611193738790 is 978373911162.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 2611193738790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 796017 + ... + 2419923.

It is an arithmetic number, because the mean of its divisors is an integer number (32737985280).

Almost surely, 2^{2611193738790} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2611193738790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4190462115840).

2611193738790 is an abundant number, since it is smaller than the sum of its proper divisors (5769730492890).

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

2611193738790 is a wasteful number, since it uses less digits than its factorization.

2611193738790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623987.

The product of its (nonzero) digits is 3429216, while the sum is 57.

The spelling of 2611193738790 in words is "two trillion, six hundred eleven billion, one hundred ninety-three million, seven hundred thirty-eight thousand, seven hundred ninety".