1801425885139 has 8 divisors (see below), whose sum is σ = 1831979654640. Its totient is φ = 1770872820000.

The previous prime is 1801425885137. The next prime is 1801425885199. The reversal of 1801425885139 is 9315885241081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1801425885139 - 2¹ = 1801425885137 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 1801425885139.

It is not an unprimeable number, because it can be changed into a prime (1801425885137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9016749 + ... + 9214369.

It is an arithmetic number, because the mean of its divisors is an integer number (228997456830).

Almost surely, 2^{1801425885139} is an apocalyptic number.

1801425885139 is a deficient number, since it is larger than the sum of its proper divisors (30553769501).

1801425885139 is a wasteful number, since it uses less digits than its factorization.

1801425885139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352181.

The product of its (nonzero) digits is 2764800, while the sum is 55.

The spelling of 1801425885139 in words is "one trillion, eight hundred one billion, four hundred twenty-five million, eight hundred eighty-five thousand, one hundred thirty-nine".