611221104534 has 32 divisors (see below), whose sum is σ = 1230020225280. Its totient is φ = 202481065952.

The previous prime is 611221104517. The next prime is 611221104541. The reversal of 611221104534 is 435401122116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198964 + ... + 1123400.

It is an arithmetic number, because the mean of its divisors is an integer number (38438132040).

Almost surely, 2^611221104534 is an apocalyptic number.

611221104534 is an abundant number, since it is smaller than the sum of its proper divisors (618799120746).

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

611221104534 is a wasteful number, since it uses less digits than its factorization.

611221104534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925124.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 611221104534 in words is "six hundred eleven billion, two hundred twenty-one million, one hundred four thousand, five hundred thirty-four".