61371184151 has 2 divisors, whose sum is σ = 61371184152. Its totient is φ = 61371184150.

The previous prime is 61371184093. The next prime is 61371184247. The reversal of 61371184151 is 15148117316.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61371184151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61371184751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30685592075 + 30685592076.

It is an arithmetic number, because the mean of its divisors is an integer number (30685592076).

Almost surely, 2^61371184151 is an apocalyptic number.

61371184151 is a deficient number, since it is larger than the sum of its proper divisors (1).

61371184151 is an equidigital number, since it uses as much as digits as its factorization.

61371184151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 38.

The spelling of 61371184151 in words is "sixty-one billion, three hundred seventy-one million, one hundred eighty-four thousand, one hundred fifty-one".