61165051201 has 8 divisors (see below), whose sum is σ = 61229309184. Its totient is φ = 61100830560.

The previous prime is 61165051169. The next prime is 61165051223. The reversal of 61165051201 is 10215056116.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61165051201 - 2⁵ = 61165051169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61165051201.

It is not an unprimeable number, because it can be changed into a prime (61165051261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4198536 + ... + 4213078.

It is an arithmetic number, because the mean of its divisors is an integer number (7653663648).

Almost surely, 2^61165051201 is an apocalyptic number.

It is an amenable number.

61165051201 is a deficient number, since it is larger than the sum of its proper divisors (64257983).

61165051201 is a wasteful number, since it uses less digits than its factorization.

61165051201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18671.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 61165051201 in words is "sixty-one billion, one hundred sixty-five million, fifty-one thousand, two hundred one".