61108195950 has 36 divisors (see below), whose sum is σ = 164177354328. Its totient is φ = 16295518800.

The previous prime is 61108195891. The next prime is 61108195969. The reversal of 61108195950 is 5959180116.

61108195950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61108195950² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 61108195896 and 61108195905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67897546 + ... + 67898445.

Almost surely, 2^61108195950 is an apocalyptic number.

61108195950 is an abundant number, since it is smaller than the sum of its proper divisors (103069158378).

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

61108195950 is a wasteful number, since it uses less digits than its factorization.

61108195950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135796009 (or 135796001 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 45.

The spelling of 61108195950 in words is "sixty-one billion, one hundred eight million, one hundred ninety-five thousand, nine hundred fifty".