852511177138 has 16 divisors (see below), whose sum is σ = 1297503624384. Its totient is φ = 420016691920.

The previous prime is 852511177129. The next prime is 852511177163. The reversal of 852511177138 is 831771115258.

It is a happy number.

852511177138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 852511177091 and 852511177100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1426045 + ... + 1933552.

It is an arithmetic number, because the mean of its divisors is an integer number (81093976524).

Almost surely, 2^852511177138 is an apocalyptic number.

852511177138 is a deficient number, since it is larger than the sum of its proper divisors (444992447246).

852511177138 is a wasteful number, since it uses less digits than its factorization.

852511177138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361457.

The product of its digits is 470400, while the sum is 49.

The spelling of 852511177138 in words is "eight hundred fifty-two billion, five hundred eleven million, one hundred seventy-seven thousand, one hundred thirty-eight".