61120416213 has 16 divisors (see below), whose sum is σ = 90601083840. Its totient is φ = 40723400592.

The previous prime is 61120416191. The next prime is 61120416221. The reversal of 61120416213 is 31261402116.

It is a happy number.

61120416213 is a `hidden beast` number, since 6 + 11 + 20 + 4 + 1 + 621 + 3 = 666.

It is not a de Polignac number, because 61120416213 - 2¹² = 61120412117 is a prime.

It is a super-2 number, since 2×61120416213² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61120416233) 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, 606331 + ... + 699912.

It is an arithmetic number, because the mean of its divisors is an integer number (5662567740).

Almost surely, 2^61120416213 is an apocalyptic number.

It is an amenable number.

61120416213 is a deficient number, since it is larger than the sum of its proper divisors (29480667627).

61120416213 is a wasteful number, since it uses less digits than its factorization.

61120416213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307985 (or 1307979 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 61120416213 its reverse (31261402116), we get a palindrome (92381818329).

The spelling of 61120416213 in words is "sixty-one billion, one hundred twenty million, four hundred sixteen thousand, two hundred thirteen".