1123375517850 has 24 divisors (see below), whose sum is σ = 2785971284640. Its totient is φ = 299566804720.

The previous prime is 1123375517833. The next prime is 1123375517851. The reversal of 1123375517850 is 587155733211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123375517850.

It is not an unprimeable number, because it can be changed into a prime (1123375517851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3744584910 + ... + 3744585209.

It is an arithmetic number, because the mean of its divisors is an integer number (116082136860).

Almost surely, 2^{1123375517850} is an apocalyptic number.

1123375517850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123375517850 is an abundant number, since it is smaller than the sum of its proper divisors (1662595766790).

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

1123375517850 is a wasteful number, since it uses less digits than its factorization.

1123375517850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7489170134 (or 7489170129 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 48.

The spelling of 1123375517850 in words is "one trillion, one hundred twenty-three billion, three hundred seventy-five million, five hundred seventeen thousand, eight hundred fifty".