36481881578 has 16 divisors (see below), whose sum is σ = 58757897664. Its totient is φ = 16926141120.

The previous prime is 36481881577. The next prime is 36481881671. The reversal of 36481881578 is 87518818463.

It is not an unprimeable number, because it can be changed into a prime (36481881571) 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, 7553900 + ... + 7558727.

It is an arithmetic number, because the mean of its divisors is an integer number (3672368604).

Almost surely, 2^36481881578 is an apocalyptic number.

36481881578 is a deficient number, since it is larger than the sum of its proper divisors (22276016086).

36481881578 is a wasteful number, since it uses less digits than its factorization.

36481881578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15112717.

The product of its digits is 10321920, while the sum is 59.

The spelling of 36481881578 in words is "thirty-six billion, four hundred eighty-one million, eight hundred eighty-one thousand, five hundred seventy-eight".