1806487290355 has 16 divisors (see below), whose sum is σ = 2372460150528. Its totient is φ = 1309584460000.

The previous prime is 1806487290343. The next prime is 1806487290359. The reversal of 1806487290355 is 5530927846081.

It is a de Polignac number, because none of the positive numbers 2^k-1806487290355 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1806487290355.

It is not an unprimeable number, because it can be changed into a prime (1806487290359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52788721 + ... + 52822930.

It is an arithmetic number, because the mean of its divisors is an integer number (148278759408).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1806487290355 = 3612974580710, but 3⋅1806487290355 = 5419461871065 is not.

Almost surely, 2^{1806487290355} is an apocalyptic number.

1806487290355 is a deficient number, since it is larger than the sum of its proper divisors (565972860173).

1806487290355 is a wasteful number, since it uses less digits than its factorization.

1806487290355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105611978.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 1806487290355 in words is "one trillion, eight hundred six billion, four hundred eighty-seven million, two hundred ninety thousand, three hundred fifty-five".