1123775050398 has 96 divisors (see below), whose sum is σ = 3071577075840. Its totient is φ = 269436565440.

The previous prime is 1123775050397. The next prime is 1123775050399. The reversal of 1123775050398 is 8930505773211.

It is an interprime number because it is at equal distance from previous prime (1123775050397) and next prime (1123775050399).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123775050398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123775050397) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13322868 + ... + 13406951.

It is an arithmetic number, because the mean of its divisors is an integer number (31995594540).

Almost surely, 2^{1123775050398} is an apocalyptic number.

1123775050398 is an abundant number, since it is smaller than the sum of its proper divisors (1947802025442).

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

1123775050398 is a wasteful number, since it uses less digits than its factorization.

1123775050398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26729862 (or 26729855 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 1123775050398 in words is "one trillion, one hundred twenty-three billion, seven hundred seventy-five million, fifty thousand, three hundred ninety-eight".