61108820150 has 48 divisors (see below), whose sum is σ = 129920017920. Its totient is φ = 20948349600.

The previous prime is 61108820137. The next prime is 61108820231. The reversal of 61108820150 is 5102880116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3715445 + ... + 3731855.

It is an arithmetic number, because the mean of its divisors is an integer number (2706667040).

Almost surely, 2^61108820150 is an apocalyptic number.

61108820150 is an abundant number, since it is smaller than the sum of its proper divisors (68811197770).

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

61108820150 is a wasteful number, since it uses less digits than its factorization.

61108820150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27069 (or 27064 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 32.

The spelling of 61108820150 in words is "sixty-one billion, one hundred eight million, eight hundred twenty thousand, one hundred fifty".