1264398719116 has 12 divisors (see below), whose sum is σ = 2382905278432. Its totient is φ = 583568639568.

The previous prime is 1264398719093. The next prime is 1264398719117. The reversal of 1264398719116 is 6119178934621.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1264398719117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12157679940 + ... + 12157680043.

Almost surely, 2^{1264398719116} is an apocalyptic number.

It is an amenable number.

1264398719116 is a deficient number, since it is larger than the sum of its proper divisors (1118506559316).

1264398719116 is a wasteful number, since it uses less digits than its factorization.

1264398719116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24315360000 (or 24315359998 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 58.

The spelling of 1264398719116 in words is "one trillion, two hundred sixty-four billion, three hundred ninety-eight million, seven hundred nineteen thousand, one hundred sixteen".