36248732881 has 3 divisors (see below), whose sum is σ = 36248923273. Its totient is φ = 36248542490.

The previous prime is 36248732873. The next prime is 36248732887. The reversal of 36248732881 is 18823784263.

It is a happy number.

The square root of 36248732881 is 190391.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 36248732881 - 2³ = 36248732873 is a prime.

It is a super-2 number, since 2×36248732881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36248732887) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 95196 + ... + 285586.

Almost surely, 2^36248732881 is an apocalyptic number.

36248732881 is the 190391-st square number.

36248732881 is the 95196-th centered octagonal number.

It is an amenable number.

36248732881 is a deficient number, since it is larger than the sum of its proper divisors (190392).

36248732881 is an frugal number, since it uses more digits than its factorization.

36248732881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380782 (or 190391 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 52.

It can be divided in two parts, 36248 and 732881, that added together give a square (769129 = 877²).

The spelling of 36248732881 in words is "thirty-six billion, two hundred forty-eight million, seven hundred thirty-two thousand, eight hundred eighty-one".