66540150101119 has 4 divisors (see below), whose sum is σ = 66594557420496. Its totient is φ = 66485742781744.

The previous prime is 66540150101057. The next prime is 66540150101141. The reversal of 66540150101119 is 91110105104566.

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 66540150101119 - 2¹⁵ = 66540150068351 is a prime.

It is a super-2 number, since 2×66540150101119² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66540150101219) 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, 27203657854 + ... + 27203660299.

It is an arithmetic number, because the mean of its divisors is an integer number (16648639355124).

Almost surely, 2^{66540150101119} is an apocalyptic number.

66540150101119 is a deficient number, since it is larger than the sum of its proper divisors (54407319377).

66540150101119 is a wasteful number, since it uses less digits than its factorization.

66540150101119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54407319376.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 66540150101119 in words is "sixty-six trillion, five hundred forty billion, one hundred fifty million, one hundred one thousand, one hundred nineteen".