115656501619 has 2 divisors, whose sum is σ = 115656501620. Its totient is φ = 115656501618.

The previous prime is 115656501613. The next prime is 115656501721. The reversal of 115656501619 is 916105656511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115656501619 - 2¹¹ = 115656499571 is a prime.

It is a super-2 number, since 2×115656501619² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115656501613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57828250809 + 57828250810.

It is an arithmetic number, because the mean of its divisors is an integer number (57828250810).

Almost surely, 2^115656501619 is an apocalyptic number.

115656501619 is a deficient number, since it is larger than the sum of its proper divisors (1).

115656501619 is an equidigital number, since it uses as much as digits as its factorization.

115656501619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243000, while the sum is 46.

The spelling of 115656501619 in words is "one hundred fifteen billion, six hundred fifty-six million, five hundred one thousand, six hundred nineteen".