42166465030511 has 4 divisors (see below), whose sum is σ = 42166501110000. Its totient is φ = 42166428951024.

The previous prime is 42166465030493. The next prime is 42166465030541. The reversal of 42166465030511 is 11503056466124.

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 42166465030511 - 2⁶ = 42166465030447 is a prime.

It is a super-2 number, since 2×42166465030511² (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 (42166465030541) 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, 16225886 + ... + 18644363.

It is an arithmetic number, because the mean of its divisors is an integer number (10541625277500).

Almost surely, 2^{42166465030511} is an apocalyptic number.

42166465030511 is a deficient number, since it is larger than the sum of its proper divisors (36079489).

42166465030511 is a wasteful number, since it uses less digits than its factorization.

42166465030511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36079488.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 42166465030511 in words is "forty-two trillion, one hundred sixty-six billion, four hundred sixty-five million, thirty thousand, five hundred eleven".