18201525082 has 32 divisors (see below), whose sum is σ = 31220480592. Its totient is φ = 7884079104.

The previous prime is 18201525073. The next prime is 18201525091. The reversal of 18201525082 is 28052510281.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18201525073) and next prime (18201525091).

It can be written as a sum of positive squares in 8 ways, for example, as 1676165481 + 16525359601 = 40941^2 + 128551^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97698 + ... + 214354.

Almost surely, 2^18201525082 is an apocalyptic number.

18201525082 is a deficient number, since it is larger than the sum of its proper divisors (13018955510).

18201525082 is a wasteful number, since it uses less digits than its factorization.

18201525082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117042.

The product of its (nonzero) digits is 12800, while the sum is 34.

The spelling of 18201525082 in words is "eighteen billion, two hundred one million, five hundred twenty-five thousand, eighty-two".