1825827911900 has 18 divisors (see below), whose sum is σ = 3962046569040. Its totient is φ = 730331164720.

The previous prime is 1825827911863. The next prime is 1825827911993. The reversal of 1825827911900 is 91197285281.

It is a super-2 number, since 2×1825827911900² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9129139460 + ... + 9129139659.

It is an arithmetic number, because the mean of its divisors is an integer number (220113698280).

Almost surely, 2^{1825827911900} is an apocalyptic number.

1825827911900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1825827911900 is an abundant number, since it is smaller than the sum of its proper divisors (2136218657140).

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

1825827911900 is a wasteful number, since it uses less digits than its factorization.

1825827911900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18258279133 (or 18258279126 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 53.

The spelling of 1825827911900 in words is "one trillion, eight hundred twenty-five billion, eight hundred twenty-seven million, nine hundred eleven thousand, nine hundred".