1825520281233 has 12 divisors (see below), whose sum is σ = 2675418153744. Its totient is φ = 1106375927800.

The previous prime is 1825520281231. The next prime is 1825520281237. The reversal of 1825520281233 is 3321820255281.

It is not a de Polignac number, because 1825520281233 - 2¹ = 1825520281231 is a prime.

It is a super-2 number, since 2×1825520281233² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1825520281231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2514490383 + ... + 2514491108.

It is an arithmetic number, because the mean of its divisors is an integer number (222951512812).

Almost surely, 2^{1825520281233} is an apocalyptic number.

It is an amenable number.

1825520281233 is a deficient number, since it is larger than the sum of its proper divisors (849897872511).

1825520281233 is a wasteful number, since it uses less digits than its factorization.

1825520281233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028981516 (or 5028981505 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 1825520281233 in words is "one trillion, eight hundred twenty-five billion, five hundred twenty million, two hundred eighty-one thousand, two hundred thirty-three".