1280801899052 has 36 divisors (see below), whose sum is σ = 2494195967088. Its totient is φ = 572070304800.

The previous prime is 1280801899037. The next prime is 1280801899067. The reversal of 1280801899052 is 2509981080821.

It is an interprime number because it is at equal distance from previous prime (1280801899037) and next prime (1280801899067).

It is a junction number, because it is equal to n+sod(n) for n = 1280801898985 and 1280801899003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12765224 + ... + 12865167.

It is an arithmetic number, because the mean of its divisors is an integer number (69283221308).

Almost surely, 2^{1280801899052} is an apocalyptic number.

It is an amenable number.

1280801899052 is a deficient number, since it is larger than the sum of its proper divisors (1213394068036).

1280801899052 is a wasteful number, since it uses less digits than its factorization.

1280801899052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25630470 (or 25630437 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 53.

The spelling of 1280801899052 in words is "one trillion, two hundred eighty billion, eight hundred one million, eight hundred ninety-nine thousand, fifty-two".