611115620876072 has 128 divisors (see below), whose sum is σ = 1277942924966400. Its totient is φ = 272335104288000.

The previous prime is 611115620876041. The next prime is 611115620876129. The reversal of 611115620876072 is 270678026511116.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 689653697 + ... + 690539247.

It is an arithmetic number, because the mean of its divisors is an integer number (9983929101300).

Almost surely, 2^{611115620876072} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611115620876072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638971462483200).

611115620876072 is an abundant number, since it is smaller than the sum of its proper divisors (666827304090328).

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

611115620876072 is a wasteful number, since it uses less digits than its factorization.

611115620876072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885812 (or 885734 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 611115620876072 in words is "six hundred eleven trillion, one hundred fifteen billion, six hundred twenty million, eight hundred seventy-six thousand, seventy-two".