611642717375 has 32 divisors (see below), whose sum is σ = 843372466560. Its totient is φ = 440507865600.

The previous prime is 611642717351. The next prime is 611642717377. The reversal of 611642717375 is 573717246116.

It is not a de Polignac number, because 611642717375 - 2⁶ = 611642717311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611642717377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6208340 + ... + 6306089.

It is an arithmetic number, because the mean of its divisors is an integer number (26355389580).

Almost surely, 2^611642717375 is an apocalyptic number.

611642717375 is a deficient number, since it is larger than the sum of its proper divisors (231729749185).

611642717375 is a wasteful number, since it uses less digits than its factorization.

611642717375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12514484 (or 12514474 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 50.

The spelling of 611642717375 in words is "six hundred eleven billion, six hundred forty-two million, seven hundred seventeen thousand, three hundred seventy-five".