611005001056 has 24 divisors (see below), whose sum is σ = 1202943370104. Its totient is φ = 305495573760.

The previous prime is 611005000981. The next prime is 611005001063. The reversal of 611005001056 is 650100500116.

It is a super-2 number, since 2×611005001056² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 611005001056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403436 + ... + 1786516.

It is an arithmetic number, because the mean of its divisors is an integer number (50122640421).

Almost surely, 2^611005001056 is an apocalyptic number.

It is an amenable number.

611005001056 is a deficient number, since it is larger than the sum of its proper divisors (591938369048).

611005001056 is a wasteful number, since it uses less digits than its factorization.

611005001056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432934 (or 432926 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 611005001056 in words is "six hundred eleven billion, five million, one thousand, fifty-six".