61001105611356 has 60 divisors (see below), whose sum is σ = 159469792280568. Its totient is φ = 20333593155168.

The previous prime is 61001105611349. The next prime is 61001105611393. The reversal of 61001105611356 is 65311650110016.

61001105611356 is a `hidden beast` number, since 6 + 1 + 0 + 0 + 1 + 1 + 0 + 5 + 611 + 35 + 6 = 666.

It is a super-2 number, since 2×61001105611356² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61001105611356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80059330 + ... + 80817686.

Almost surely, 2^{61001105611356} is an apocalyptic number.

It is an amenable number.

61001105611356 is an abundant number, since it is smaller than the sum of its proper divisors (98468686669212).

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

61001105611356 is a wasteful number, since it uses less digits than its factorization.

61001105611356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006640 (or 1006629 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The spelling of 61001105611356 in words is "sixty-one trillion, one billion, one hundred five million, six hundred eleven thousand, three hundred fifty-six".