1800008685150 has 96 divisors (see below), whose sum is σ = 4820298252000. Its totient is φ = 441891002880.

The previous prime is 1800008685077. The next prime is 1800008685217. The reversal of 1800008685150 is 515868000081.

It is a happy number.

It is a congruent number.

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, 510025 + ... + 1964724.

It is an arithmetic number, because the mean of its divisors is an integer number (50211440125).

Almost surely, 2^{1800008685150} is an apocalyptic number.

1800008685150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1800008685150 is an abundant number, since it is smaller than the sum of its proper divisors (3020289566850).

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

1800008685150 is a wasteful number, since it uses less digits than its factorization.

1800008685150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475150 (or 2475145 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 42.

The spelling of 1800008685150 in words is "one trillion, eight hundred billion, eight million, six hundred eighty-five thousand, one hundred fifty".