1263371374860 has 48 divisors (see below), whose sum is σ = 4042788400896. Its totient is φ = 288770599872.

The previous prime is 1263371374831. The next prime is 1263371374873. The reversal of 1263371374860 is 684731733621.

It is a super-2 number, since 2×1263371374860² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1504013122 + ... + 1504013961.

It is an arithmetic number, because the mean of its divisors is an integer number (84224758352).

Almost surely, 2^{1263371374860} is an apocalyptic number.

1263371374860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1263371374860 is an abundant number, since it is smaller than the sum of its proper divisors (2779417026036).

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

1263371374860 is a wasteful number, since it uses less digits than its factorization.

1263371374860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008027102 (or 3008027100 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 1263371374860 in words is "one trillion, two hundred sixty-three billion, three hundred seventy-one million, three hundred seventy-four thousand, eight hundred sixty".