1831115616050 has 72 divisors (see below), whose sum is σ = 3962739140784. Its totient is φ = 627683847840.

The previous prime is 1831115615983. The next prime is 1831115616053. The reversal of 1831115616050 is 506165111381.

It is a junction number, because it is equal to n+sod(n) for n = 1831115615995 and 1831115616013.

It is not an unprimeable number, because it can be changed into a prime (1831115616053) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12438977 + ... + 12585323.

It is an arithmetic number, because the mean of its divisors is an integer number (55038043622).

Almost surely, 2^{1831115616050} is an apocalyptic number.

1831115616050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1831115616050 is an abundant number, since it is smaller than the sum of its proper divisors (2131623524734).

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

1831115616050 is a wasteful number, since it uses less digits than its factorization.

1831115616050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151480 (or 151468 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 38.

The spelling of 1831115616050 in words is "one trillion, eight hundred thirty-one billion, one hundred fifteen million, six hundred sixteen thousand, fifty".