66056511046215 has 8 divisors (see below), whose sum is σ = 105690417673968. Its totient is φ = 35230139224640.

The previous prime is 66056511046159. The next prime is 66056511046217. The reversal of 66056511046215 is 51264011565066.

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

It is not a de Polignac number, because 66056511046215 - 2¹⁵ = 66056511013447 is a prime.

It is a super-3 number, since 3×66056511046215³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66056511046217) 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, 2201883701526 + ... + 2201883701555.

It is an arithmetic number, because the mean of its divisors is an integer number (13211302209246).

Almost surely, 2^{66056511046215} is an apocalyptic number.

66056511046215 is a deficient number, since it is larger than the sum of its proper divisors (39633906627753).

66056511046215 is a wasteful number, since it uses less digits than its factorization.

66056511046215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403767403089.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 66056511046215 in words is "sixty-six trillion, fifty-six billion, five hundred eleven million, forty-six thousand, two hundred fifteen".