61165010050 has 48 divisors (see below), whose sum is σ = 115676069472. Its totient is φ = 24057475200.

The previous prime is 61165009993. The next prime is 61165010057. The reversal of 61165010050 is 5001056116.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 61165009997 and 61165010024.

It is not an unprimeable number, because it can be changed into a prime (61165010057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1182837 + ... + 1233463.

It is an arithmetic number, because the mean of its divisors is an integer number (2409918114).

Almost surely, 2^61165010050 is an apocalyptic number.

61165010050 is a deficient number, since it is larger than the sum of its proper divisors (54511059422).

61165010050 is a wasteful number, since it uses less digits than its factorization.

61165010050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51043 (or 51038 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 61165010050 its reverse (5001056116), we get a palindrome (66166066166).

The spelling of 61165010050 in words is "sixty-one billion, one hundred sixty-five million, ten thousand, fifty".