13550990851 has 8 divisors (see below), whose sum is σ = 13782492864. Its totient is φ = 13319790720.

The previous prime is 13550990821. The next prime is 13550990861. The reversal of 13550990851 is 15809905531.

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 13550990851 - 2²³ = 13542602243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13550990821) 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, 16011 + ... + 165403.

It is an arithmetic number, because the mean of its divisors is an integer number (1722811608).

Almost surely, 2^13550990851 is an apocalyptic number.

13550990851 is a deficient number, since it is larger than the sum of its proper divisors (231502013).

13550990851 is a wasteful number, since it uses less digits than its factorization.

13550990851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150941.

The product of its (nonzero) digits is 243000, while the sum is 46.

The spelling of 13550990851 in words is "thirteen billion, five hundred fifty million, nine hundred ninety thousand, eight hundred fifty-one".