1138265473800 has 192 divisors, whose sum is σ = 4342920785280. Its totient is φ = 240161495040.

The previous prime is 1138265473783. The next prime is 1138265473811. The reversal of 1138265473800 is 83745628311.

It is a self number, because there is not a number n which added to its sum of digits gives 1138265473800.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10369077 + ... + 10478276.

It is an arithmetic number, because the mean of its divisors is an integer number (22619379090).

Almost surely, 2^{1138265473800} is an apocalyptic number.

1138265473800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1138265473800 is an abundant number, since it is smaller than the sum of its proper divisors (3204655311480).

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

1138265473800 is a wasteful number, since it uses less digits than its factorization.

1138265473800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20847392 (or 20847383 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 1138265473800 in words is "one trillion, one hundred thirty-eight billion, two hundred sixty-five million, four hundred seventy-three thousand, eight hundred".