61100000097 has 8 divisors (see below), whose sum is σ = 81467954880. Its totient is φ = 40732689360.

The previous prime is 61100000083. The next prime is 61100000131. The reversal of 61100000097 is 79000000116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61100000097 - 2⁴ = 61100000081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61100020097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141604 + ... + 377162.

It is an arithmetic number, because the mean of its divisors is an integer number (10183494360).

Almost surely, 2^61100000097 is an apocalyptic number.

It is an amenable number.

61100000097 is a deficient number, since it is larger than the sum of its proper divisors (20367954783).

61100000097 is a wasteful number, since it uses less digits than its factorization.

61100000097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322023.

The product of its (nonzero) digits is 378, while the sum is 24.

The spelling of 61100000097 in words is "sixty-one billion, one hundred million, ninety-seven", and thus it is an aban number.