120135522566 has 8 divisors (see below), whose sum is σ = 184394058024. Its totient is φ = 58670836560.

The previous prime is 120135522511. The next prime is 120135522587. The reversal of 120135522566 is 665225531021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698462255 + ... + 698462426.

It is an arithmetic number, because the mean of its divisors is an integer number (23049257253).

Almost surely, 2^120135522566 is an apocalyptic number.

120135522566 is a deficient number, since it is larger than the sum of its proper divisors (64258535458).

120135522566 is a wasteful number, since it uses less digits than its factorization.

120135522566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396924726.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 120135522566 in words is "one hundred twenty billion, one hundred thirty-five million, five hundred twenty-two thousand, five hundred sixty-six".