851154440013 has 16 divisors (see below), whose sum is σ = 1264582648000. Its totient is φ = 565810395120.

The previous prime is 851154440011. The next prime is 851154440041. The reversal of 851154440013 is 310044451158.

851154440013 is a `hidden beast` number, since 8 + 51 + 154 + 440 + 0 + 13 = 666.

It is not a de Polignac number, because 851154440013 - 2¹ = 851154440011 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 851154440013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851154440011) 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, 45154243 + ... + 45173088.

It is an arithmetic number, because the mean of its divisors is an integer number (79036415500).

Almost surely, 2^851154440013 is an apocalyptic number.

It is an amenable number.

851154440013 is a deficient number, since it is larger than the sum of its proper divisors (413428207987).

851154440013 is a wasteful number, since it uses less digits than its factorization.

851154440013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90327689 (or 90327683 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 851154440013 in words is "eight hundred fifty-one billion, one hundred fifty-four million, four hundred forty thousand, thirteen".