801545260361 has 4 divisors (see below), whose sum is σ = 801635952000. Its totient is φ = 801454568724.

The previous prime is 801545260343. The next prime is 801545260379. The reversal of 801545260361 is 163062545108.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (801545260343) and next prime (801545260379).

It is a cyclic number.

It is not a de Polignac number, because 801545260361 - 2¹⁸ = 801544998217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801545260261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45332561 + ... + 45350238.

It is an arithmetic number, because the mean of its divisors is an integer number (200408988000).

Almost surely, 2^801545260361 is an apocalyptic number.

It is an amenable number.

801545260361 is a deficient number, since it is larger than the sum of its proper divisors (90691639).

801545260361 is an equidigital number, since it uses as much as digits as its factorization.

801545260361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90691638.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 801545260361 in words is "eight hundred one billion, five hundred forty-five million, two hundred sixty thousand, three hundred sixty-one".