66077252111 has 16 divisors (see below), whose sum is σ = 75471526368. Its totient is φ = 57310848000.

The previous prime is 66077252089. The next prime is 66077252117. The reversal of 66077252111 is 11125277066.

66077252111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 66077252111 - 2⁶ = 66077252047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66077252117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115925 + ... + 381566.

It is an arithmetic number, because the mean of its divisors is an integer number (4716970398).

Almost surely, 2^66077252111 is an apocalyptic number.

66077252111 is a deficient number, since it is larger than the sum of its proper divisors (9394274257).

66077252111 is a wasteful number, since it uses less digits than its factorization.

66077252111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498122.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 66077252111 in words is "sixty-six billion, seventy-seven million, two hundred fifty-two thousand, one hundred eleven".