61560015651101 has 16 divisors (see below), whose sum is σ = 67297653040320. Its totient is φ = 55845954165120.

The previous prime is 61560015651059. The next prime is 61560015651109. The reversal of 61560015651101 is 10115651006516.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61560015651101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61560015651109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39794561 + ... + 41312553.

It is an arithmetic number, because the mean of its divisors is an integer number (4206103315020).

Almost surely, 2^{61560015651101} is an apocalyptic number.

It is an amenable number.

61560015651101 is a deficient number, since it is larger than the sum of its proper divisors (5737637389219).

61560015651101 is a wasteful number, since it uses less digits than its factorization.

61560015651101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525756.

The product of its (nonzero) digits is 27000, while the sum is 38.

Adding to 61560015651101 its reverse (10115651006516), we get a palindrome (71675666657617).

The spelling of 61560015651101 in words is "sixty-one trillion, five hundred sixty billion, fifteen million, six hundred fifty-one thousand, one hundred one".