61101005536 has 48 divisors (see below), whose sum is σ = 123682141296. Its totient is φ = 29691518976.

The previous prime is 61101005521. The next prime is 61101005593. The reversal of 61101005536 is 63550010116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045440 + ... + 1102336.

It is an arithmetic number, because the mean of its divisors is an integer number (2576711277).

Almost surely, 2^61101005536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61101005536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61841070648).

61101005536 is an abundant number, since it is smaller than the sum of its proper divisors (62581135760).

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

61101005536 is a wasteful number, since it uses less digits than its factorization.

61101005536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57851 (or 57843 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The spelling of 61101005536 in words is "sixty-one billion, one hundred one million, five thousand, five hundred thirty-six".