61117283351 has 2 divisors, whose sum is σ = 61117283352. Its totient is φ = 61117283350.

The previous prime is 61117283333. The next prime is 61117283363. The reversal of 61117283351 is 15338271116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61117283351 - 2²⁶ = 61050174487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61117283551) 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 as a sum of consecutive naturals, namely, 30558641675 + 30558641676.

It is an arithmetic number, because the mean of its divisors is an integer number (30558641676).

Almost surely, 2^61117283351 is an apocalyptic number.

61117283351 is a deficient number, since it is larger than the sum of its proper divisors (1).

61117283351 is an equidigital number, since it uses as much as digits as its factorization.

61117283351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The spelling of 61117283351 in words is "sixty-one billion, one hundred seventeen million, two hundred eighty-three thousand, three hundred fifty-one".