61768115100213 has 16 divisors (see below), whose sum is σ = 86777000452800. Its totient is φ = 38973232028160.

The previous prime is 61768115100199. The next prime is 61768115100217. The reversal of 61768115100213 is 31200151186716.

It is not a de Polignac number, because 61768115100213 - 2⁹ = 61768115099701 is a prime.

It is a super-2 number, since 2×61768115100213² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61768115100217) 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, 530623068 + ... + 530739461.

It is an arithmetic number, because the mean of its divisors is an integer number (5423562528300).

Almost surely, 2^{61768115100213} is an apocalyptic number.

It is an amenable number.

61768115100213 is a deficient number, since it is larger than the sum of its proper divisors (25008885352587).

61768115100213 is a wasteful number, since it uses less digits than its factorization.

61768115100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061363572.

The product of its (nonzero) digits is 60480, while the sum is 42.

Adding to 61768115100213 its reverse (31200151186716), we get a palindrome (92968266286929).

The spelling of 61768115100213 in words is "sixty-one trillion, seven hundred sixty-eight billion, one hundred fifteen million, one hundred thousand, two hundred thirteen".