61101155611050 has 96 divisors (see below), whose sum is σ = 151699330621440. Its totient is φ = 16275533976000.

The previous prime is 61101155611039. The next prime is 61101155611051. The reversal of 61101155611050 is 5011655110116.

It is not an unprimeable number, because it can be changed into a prime (61101155611051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 749087569 + ... + 749169131.

It is an arithmetic number, because the mean of its divisors is an integer number (1580201360640).

Almost surely, 2^{61101155611050} is an apocalyptic number.

61101155611050 is an abundant number, since it is smaller than the sum of its proper divisors (90598175010390).

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

61101155611050 is a wasteful number, since it uses less digits than its factorization.

61101155611050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87068 (or 87063 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 33.

The spelling of 61101155611050 in words is "sixty-one trillion, one hundred one billion, one hundred fifty-five million, six hundred eleven thousand, fifty".