611245564134 has 64 divisors (see below), whose sum is σ = 1301325704640. Its totient is φ = 191037450240.

The previous prime is 611245564103. The next prime is 611245564147. The reversal of 611245564134 is 431465542116.

It is a super-2 number, since 2×611245564134² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3263082 + ... + 3445314.

It is an arithmetic number, because the mean of its divisors is an integer number (20333214135).

Almost surely, 2^611245564134 is an apocalyptic number.

611245564134 is an abundant number, since it is smaller than the sum of its proper divisors (690080140506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611245564134 is a wasteful number, since it uses less digits than its factorization.

611245564134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182825.

The product of its digits is 345600, while the sum is 42.

The spelling of 611245564134 in words is "six hundred eleven billion, two hundred forty-five million, five hundred sixty-four thousand, one hundred thirty-four".