1881595358925 has 48 divisors (see below), whose sum is σ = 3170001624768. Its totient is φ = 984458675200.

The previous prime is 1881595358891. The next prime is 1881595358959. The reversal of 1881595358925 is 5298535951881.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1881595358891) and next prime (1881595358959).

It is not a de Polignac number, because 1881595358925 - 2³⁵ = 1847235620557 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1881595358925.

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, 37224469 + ... + 37274981.

It is an arithmetic number, because the mean of its divisors is an integer number (66041700516).

Almost surely, 2^{1881595358925} is an apocalyptic number.

1881595358925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1881595358925 is a deficient number, since it is larger than the sum of its proper divisors (1288406265843).

1881595358925 is a wasteful number, since it uses less digits than its factorization.

1881595358925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59950 (or 59945 counting only the distinct ones).

The product of its digits is 155520000, while the sum is 69.

The spelling of 1881595358925 in words is "one trillion, eight hundred eighty-one billion, five hundred ninety-five million, three hundred fifty-eight thousand, nine hundred twenty-five".