165115511105006 has 32 divisors (see below), whose sum is σ = 312256971267840. Its totient is φ = 63607901544000.

The previous prime is 165115511104961. The next prime is 165115511105053. The reversal of 165115511105006 is 600501115511561.

It is a super-3 number, since 3×165115511105006³ (a number of 44 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6023461820 + ... + 6023489231.

It is an arithmetic number, because the mean of its divisors is an integer number (9758030352120).

Almost surely, 2^{165115511105006} is an apocalyptic number.

165115511105006 is a deficient number, since it is larger than the sum of its proper divisors (147141460162834).

165115511105006 is a wasteful number, since it uses less digits than its factorization.

165115511105006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12046951160.

The product of its (nonzero) digits is 22500, while the sum is 38.

Adding to 165115511105006 its reverse (600501115511561), we get a palindrome (765616626616567).

The spelling of 165115511105006 in words is "one hundred sixty-five trillion, one hundred fifteen billion, five hundred eleven million, one hundred five thousand, six".