36803315538 has 96 divisors (see below), whose sum is σ = 92191582080. Its totient is φ = 10486817280.

The previous prime is 36803315513. The next prime is 36803315551. The reversal of 36803315538 is 83551330863.

36803315538 is a `hidden beast` number, since 3 + 6 + 80 + 3 + 31 + 5 + 538 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 36803315493 and 36803315502.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4159323 + ... + 4168161.

It is an arithmetic number, because the mean of its divisors is an integer number (960328980).

Almost surely, 2^36803315538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36803315538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46095791040).

36803315538 is an abundant number, since it is smaller than the sum of its proper divisors (55388266542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36803315538 is a wasteful number, since it uses less digits than its factorization.

36803315538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112 (or 10109 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 36803315538 in words is "thirty-six billion, eight hundred three million, three hundred fifteen thousand, five hundred thirty-eight".