1853229851225 has 24 divisors (see below), whose sum is σ = 2303285279712. Its totient is φ = 1479180931200.

The previous prime is 1853229851197. The next prime is 1853229851227. The reversal of 1853229851225 is 5221589223581.

It is a de Polignac number, because none of the positive numbers 2^k-1853229851225 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1853229851227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20564114 + ... + 20654036.

It is an arithmetic number, because the mean of its divisors is an integer number (95970219988).

Almost surely, 2^{1853229851225} is an apocalyptic number.

It is an amenable number.

1853229851225 is a deficient number, since it is larger than the sum of its proper divisors (450055428487).

1853229851225 is a wasteful number, since it uses less digits than its factorization.

1853229851225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91817 (or 91812 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 53.

The spelling of 1853229851225 in words is "one trillion, eight hundred fifty-three billion, two hundred twenty-nine million, eight hundred fifty-one thousand, two hundred twenty-five".