1249456885168 has 10 divisors (see below), whose sum is σ = 2420822715044. Its totient is φ = 624728442576.

The previous prime is 1249456885163. The next prime is 1249456885169. The reversal of 1249456885168 is 8615886549421.

It is a super-2 number, since 2×1249456885168² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1249456885163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39045527646 + ... + 39045527677.

Almost surely, 2^{1249456885168} is an apocalyptic number.

It is an amenable number.

1249456885168 is a deficient number, since it is larger than the sum of its proper divisors (1171365829876).

1249456885168 is an equidigital number, since it uses as much as digits as its factorization.

1249456885168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78091055331 (or 78091055325 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 67.

The spelling of 1249456885168 in words is "one trillion, two hundred forty-nine billion, four hundred fifty-six million, eight hundred eighty-five thousand, one hundred sixty-eight".