61611105010 has 96 divisors (see below), whose sum is σ = 140604714432. Its totient is φ = 19263807360.

The previous prime is 61611104993. The next prime is 61611105011. The reversal of 61611105010 is 1050111616.

It is not an unprimeable number, because it can be changed into a prime (61611105011) 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, 470445 + ... + 586975.

It is an arithmetic number, because the mean of its divisors is an integer number (1464632442).

Almost surely, 2^61611105010 is an apocalyptic number.

61611105010 is an abundant number, since it is smaller than the sum of its proper divisors (78993609422).

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

61611105010 is a wasteful number, since it uses less digits than its factorization.

61611105010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116648 (or 116641 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 61611105010 its reverse (1050111616), we get a palindrome (62661216626).

The spelling of 61611105010 in words is "sixty-one billion, six hundred eleven million, one hundred five thousand, ten".