181315265036 has 6 divisors (see below), whose sum is σ = 317301713820. Its totient is φ = 90657632516.

The previous prime is 181315264987. The next prime is 181315265057. The reversal of 181315265036 is 630562513181.

It is a junction number, because it is equal to n+sod(n) for n = 181315264984 and 181315265002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22664408126 + ... + 22664408133.

It is an arithmetic number, because the mean of its divisors is an integer number (52883618970).

Almost surely, 2^181315265036 is an apocalyptic number.

It is an amenable number.

181315265036 is a deficient number, since it is larger than the sum of its proper divisors (135986448784).

181315265036 is a wasteful number, since it uses less digits than its factorization.

181315265036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45328816263 (or 45328816261 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 181315265036 in words is "one hundred eighty-one billion, three hundred fifteen million, two hundred sixty-five thousand, thirty-six".