611011056051 has 40 divisors (see below), whose sum is σ = 995798170224. Its totient is φ = 370281300480.

The previous prime is 611011056041. The next prime is 611011056079. The reversal of 611011056051 is 150650110116.

It is not a de Polignac number, because 611011056051 - 2¹⁸ = 611010793907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (611011056041) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21042495 + ... + 21071511.

Almost surely, 2^611011056051 is an apocalyptic number.

611011056051 is a deficient number, since it is larger than the sum of its proper divisors (384787114173).

611011056051 is a wasteful number, since it uses less digits than its factorization.

611011056051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52673 (or 52664 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 611011056051 its reverse (150650110116), we get a palindrome (761661166167).

The spelling of 611011056051 in words is "six hundred eleven billion, eleven million, fifty-six thousand, fifty-one".