8615197510249 has 16 divisors (see below), whose sum is σ = 9423532410624. Its totient is φ = 7811066520400.

The previous prime is 8615197510237. The next prime is 8615197510279. The reversal of 8615197510249 is 9420157915168.

It is not a de Polignac number, because 8615197510249 - 2¹⁷ = 8615197379177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8615197510193 and 8615197510202.

It is not an unprimeable number, because it can be changed into a prime (8615197510279) 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 in 15 ways as a sum of consecutive naturals, for example, 11382162 + ... + 12115444.

It is an arithmetic number, because the mean of its divisors is an integer number (588970775664).

Almost surely, 2^{8615197510249} is an apocalyptic number.

It is an amenable number.

8615197510249 is a deficient number, since it is larger than the sum of its proper divisors (808334900375).

8615197510249 is a wasteful number, since it uses less digits than its factorization.

8615197510249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736148.

The product of its (nonzero) digits is 5443200, while the sum is 58.

The spelling of 8615197510249 in words is "eight trillion, six hundred fifteen billion, one hundred ninety-seven million, five hundred ten thousand, two hundred forty-nine".