1263910052416 has 56 divisors (see below), whose sum is σ = 2766820597920. Its totient is φ = 568049433600.

The previous prime is 1263910052413. The next prime is 1263910052519. The reversal of 1263910052416 is 6142500193621.

It is not an unprimeable number, because it can be changed into a prime (1263910052413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10023450 + ... + 10148761.

Almost surely, 2^{1263910052416} is an apocalyptic number.

1263910052416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1263910052416 is an abundant number, since it is smaller than the sum of its proper divisors (1502910545504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1263910052416 is a wasteful number, since it uses less digits than its factorization.

1263910052416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20172323 (or 20172313 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 1263910052416 in words is "one trillion, two hundred sixty-three billion, nine hundred ten million, fifty-two thousand, four hundred sixteen".