61610125211 has 8 divisors (see below), whose sum is σ = 65426683920. Its totient is φ = 57850958592.

The previous prime is 61610125207. The next prime is 61610125217. The reversal of 61610125211 is 11252101616.

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 61610125211 - 2² = 61610125207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61610125217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14345810 + ... + 14350103.

It is an arithmetic number, because the mean of its divisors is an integer number (8178335490).

Almost surely, 2^61610125211 is an apocalyptic number.

61610125211 is a deficient number, since it is larger than the sum of its proper divisors (3816558709).

61610125211 is a wasteful number, since it uses less digits than its factorization.

61610125211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28696045.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 61610125211 its reverse (11252101616), we get a palindrome (72862226827).

The spelling of 61610125211 in words is "sixty-one billion, six hundred ten million, one hundred twenty-five thousand, two hundred eleven".