1255650463361 has 8 divisors (see below), whose sum is σ = 1497421670784. Its totient is φ = 1029477398400.

The previous prime is 1255650463321. The next prime is 1255650463363. The reversal of 1255650463361 is 1633640565521.

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

It is a cyclic number.

It is not a de Polignac number, because 1255650463361 - 2¹⁰ = 1255650462337 is a prime.

It is a super-2 number, since 2×1255650463361² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255650463363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3899535440 + ... + 3899535761.

It is an arithmetic number, because the mean of its divisors is an integer number (187177708848).

Almost surely, 2^{1255650463361} is an apocalyptic number.

It is an amenable number.

1255650463361 is a deficient number, since it is larger than the sum of its proper divisors (241771207423).

1255650463361 is an equidigital number, since it uses as much as digits as its factorization.

1255650463361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7799071231.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 1255650463361 in words is "one trillion, two hundred fifty-five billion, six hundred fifty million, four hundred sixty-three thousand, three hundred sixty-one".