855801541 has 4 divisors (see below), whose sum is σ = 978058912. Its totient is φ = 733544172.

The previous prime is 855801533. The next prime is 855801563. The reversal of 855801541 is 145108558.

855801541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 855801541 - 2³ = 855801533 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 855801541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855801581) 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, 61128675 + ... + 61128688.

It is an arithmetic number, because the mean of its divisors is an integer number (244514728).

Almost surely, 2^855801541 is an apocalyptic number.

It is an amenable number.

855801541 is a deficient number, since it is larger than the sum of its proper divisors (122257371).

855801541 is a wasteful number, since it uses less digits than its factorization.

855801541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122257370.

The product of its (nonzero) digits is 32000, while the sum is 37.

The square root of 855801541 is about 29254.0858855648. The cubic root of 855801541 is about 949.4184958365.

The spelling of 855801541 in words is "eight hundred fifty-five million, eight hundred one thousand, five hundred forty-one".