361365081538 has 8 divisors (see below), whose sum is σ = 542111410620. Its totient is φ = 180661278000.

The previous prime is 361365081521. The next prime is 361365081659. The reversal of 361365081538 is 835180563163.

It can be written as a sum of positive squares in 2 ways, for example, as 242923794129 + 118441287409 = 492873^2 + 344153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 361365081491 and 361365081500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10610133 + ... + 10644136.

Almost surely, 2^361365081538 is an apocalyptic number.

361365081538 is a deficient number, since it is larger than the sum of its proper divisors (180746329082).

361365081538 is a wasteful number, since it uses less digits than its factorization.

361365081538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21262772.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 361365081538 in words is "three hundred sixty-one billion, three hundred sixty-five million, eighty-one thousand, five hundred thirty-eight".