1065156555006 has 40 divisors (see below), whose sum is σ = 2386845315624. Its totient is φ = 355036471920.

The previous prime is 1065156554981. The next prime is 1065156555017. The reversal of 1065156555006 is 6005556515601.

1065156555006 is a `hidden beast` number, since 10 + 65 + 15 + 65 + 5 + 500 + 6 = 666.

It is a super-2 number, since 2×1065156555006² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3866796 + ... + 4133088.

Almost surely, 2^{1065156555006} is an apocalyptic number.

1065156555006 is an abundant number, since it is smaller than the sum of its proper divisors (1321688760618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065156555006 is a wasteful number, since it uses less digits than its factorization.

1065156555006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290998 (or 290989 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 1065156555006 in words is "one trillion, sixty-five billion, one hundred fifty-six million, five hundred fifty-five thousand, six".