64155226517351 has 4 divisors (see below), whose sum is σ = 65058821257104. Its totient is φ = 63251631777600.

The previous prime is 64155226517339. The next prime is 64155226517377. The reversal of 64155226517351 is 15371562255146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64155226517351 - 2²² = 64155222323047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64155226517293 and 64155226517302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64155226510351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451797369770 + ... + 451797369911.

It is an arithmetic number, because the mean of its divisors is an integer number (16264705314276).

Almost surely, 2^{64155226517351} is an apocalyptic number.

64155226517351 is a deficient number, since it is larger than the sum of its proper divisors (903594739753).

64155226517351 is an equidigital number, since it uses as much as digits as its factorization.

64155226517351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903594739752.

The product of its digits is 7560000, while the sum is 53.

The spelling of 64155226517351 in words is "sixty-four trillion, one hundred fifty-five billion, two hundred twenty-six million, five hundred seventeen thousand, three hundred fifty-one".