5111605261690 has 16 divisors (see below), whose sum is σ = 9600928144128. Its totient is φ = 1955744621776.

The previous prime is 5111605261669. The next prime is 5111605261727. The reversal of 5111605261690 is 961625061115.

It is a super-2 number, since 2×5111605261690² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11112185122 + ... + 11112185581.

It is an arithmetic number, because the mean of its divisors is an integer number (600058009008).

Almost surely, 2^{5111605261690} is an apocalyptic number.

5111605261690 is a deficient number, since it is larger than the sum of its proper divisors (4489322882438).

5111605261690 is a wasteful number, since it uses less digits than its factorization.

5111605261690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22224370733.

The product of its (nonzero) digits is 97200, while the sum is 43.

The spelling of 5111605261690 in words is "five trillion, one hundred eleven billion, six hundred five million, two hundred sixty-one thousand, six hundred ninety".