361400665025 has 6 divisors (see below), whose sum is σ = 448136824662. Its totient is φ = 289120532000.

The previous prime is 361400664991. The next prime is 361400665057. The reversal of 361400665025 is 520566004163.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 32639480896 + 328761184129 = 180664^2 + 573377^2 .

It is not a de Polignac number, because 361400665025 - 2⁸ = 361400664769 is a prime.

It is a super-2 number, since 2×361400665025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 361400665025.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7228013276 + ... + 7228013325.

It is an arithmetic number, because the mean of its divisors is an integer number (74689470777).

Almost surely, 2^361400665025 is an apocalyptic number.

It is an amenable number.

361400665025 is a deficient number, since it is larger than the sum of its proper divisors (86736159637).

361400665025 is a wasteful number, since it uses less digits than its factorization.

361400665025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14456026611 (or 14456026606 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 361400665025 its reverse (520566004163), we get a palindrome (881966669188).

The spelling of 361400665025 in words is "three hundred sixty-one billion, four hundred million, six hundred sixty-five thousand, twenty-five".