611646351155 has 12 divisors (see below), whose sum is σ = 853808376240. Its totient is φ = 419414640624.

The previous prime is 611646351149. The next prime is 611646351187. The reversal of 611646351155 is 551153646116.

It is not a de Polignac number, because 611646351155 - 2¹⁰ = 611646350131 is a prime.

It is a super-2 number, since 2×611646351155² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1248257615 + ... + 1248258104.

It is an arithmetic number, because the mean of its divisors is an integer number (71150698020).

Almost surely, 2^611646351155 is an apocalyptic number.

611646351155 is a deficient number, since it is larger than the sum of its proper divisors (242162025085).

611646351155 is a wasteful number, since it uses less digits than its factorization.

611646351155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496515738 (or 2496515731 counting only the distinct ones).

The product of its digits is 324000, while the sum is 44.

The spelling of 611646351155 in words is "six hundred eleven billion, six hundred forty-six million, three hundred fifty-one thousand, one hundred fifty-five".