64125061553263 has 8 divisors (see below), whose sum is σ = 65713516374240. Its totient is φ = 62537770014720.

The previous prime is 64125061553261. The next prime is 64125061553299. The reversal of 64125061553263 is 36235516052146.

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 64125061553263 - 2¹ = 64125061553261 is a prime.

It is a super-3 number, since 3×64125061553263³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64125061553261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290708995 + ... + 290929492.

It is an arithmetic number, because the mean of its divisors is an integer number (8214189546780).

Almost surely, 2^{64125061553263} is an apocalyptic number.

64125061553263 is a deficient number, since it is larger than the sum of its proper divisors (1588454820977).

64125061553263 is a wasteful number, since it uses less digits than its factorization.

64125061553263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581641217.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 64125061553263 in words is "sixty-four trillion, one hundred twenty-five billion, sixty-one million, five hundred fifty-three thousand, two hundred sixty-three".