1801925836141 has 4 divisors (see below), whose sum is σ = 1801935562752. Its totient is φ = 1801916109532.

The previous prime is 1801925836103. The next prime is 1801925836147. The reversal of 1801925836141 is 1416385291081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1801925836141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801925836147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4579915 + ... + 4957768.

It is an arithmetic number, because the mean of its divisors is an integer number (450483890688).

Almost surely, 2^{1801925836141} is an apocalyptic number.

It is an amenable number.

1801925836141 is a deficient number, since it is larger than the sum of its proper divisors (9726611).

1801925836141 is an equidigital number, since it uses as much as digits as its factorization.

1801925836141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9726610.

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 1801925836141 in words is "one trillion, eight hundred one billion, nine hundred twenty-five million, eight hundred thirty-six thousand, one hundred forty-one".