61254158699 has 2 divisors, whose sum is σ = 61254158700. Its totient is φ = 61254158698.

The previous prime is 61254158671. The next prime is 61254158747. The reversal of 61254158699 is 99685145216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61254158699 - 2²⁸ = 60985723243 is a prime.

It is not a weakly prime, because it can be changed into another prime (61254158899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30627079349 + 30627079350.

It is an arithmetic number, because the mean of its divisors is an integer number (30627079350).

Almost surely, 2^61254158699 is an apocalyptic number.

61254158699 is a deficient number, since it is larger than the sum of its proper divisors (1).

61254158699 is an equidigital number, since it uses as much as digits as its factorization.

61254158699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 56.

The spelling of 61254158699 in words is "sixty-one billion, two hundred fifty-four million, one hundred fifty-eight thousand, six hundred ninety-nine".