1825520272855 has 16 divisors (see below), whose sum is σ = 2194198063200. Its totient is φ = 1458034929792.

The previous prime is 1825520272841. The next prime is 1825520272889. The reversal of 1825520272855 is 5582720255281.

It is a cyclic number.

It is not a de Polignac number, because 1825520272855 - 2¹⁹ = 1825519748567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12413617 + ... + 12559813.

It is an arithmetic number, because the mean of its divisors is an integer number (137137378950).

Almost surely, 2^{1825520272855} is an apocalyptic number.

1825520272855 is a deficient number, since it is larger than the sum of its proper divisors (368677790345).

1825520272855 is a wasteful number, since it uses less digits than its factorization.

1825520272855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150258.

The product of its (nonzero) digits is 4480000, while the sum is 52.

The spelling of 1825520272855 in words is "one trillion, eight hundred twenty-five billion, five hundred twenty million, two hundred seventy-two thousand, eight hundred fifty-five".