445611656401255 has 16 divisors (see below), whose sum is σ = 549187496830080. Its totient is φ = 346853695836672.

The previous prime is 445611656401243. The next prime is 445611656401267. The reversal of 445611656401255 is 552104656116544.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (445611656401243) and next prime (445611656401267).

It is a cyclic number.

It is not a de Polignac number, because 445611656401255 - 2¹⁹ = 445611655876967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445611656401196 and 445611656401205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87578082 + ... + 92526448.

It is an arithmetic number, because the mean of its divisors is an integer number (34324218551880).

Almost surely, 2^{445611656401255} is an apocalyptic number.

445611656401255 is a deficient number, since it is larger than the sum of its proper divisors (103575840428825).

445611656401255 is a wasteful number, since it uses less digits than its factorization.

445611656401255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5435178.

The product of its (nonzero) digits is 17280000, while the sum is 55.

The spelling of 445611656401255 in words is "four hundred forty-five trillion, six hundred eleven billion, six hundred fifty-six million, four hundred one thousand, two hundred fifty-five".