1065665101501 has 16 divisors (see below), whose sum is σ = 1430823074688. Its totient is φ = 766512360000.

The previous prime is 1065665101477. The next prime is 1065665101549. The reversal of 1065665101501 is 1051015665601.

It is a cyclic number.

It is not a de Polignac number, because 1065665101501 - 2⁷ = 1065665101373 is a prime.

It is a super-2 number, since 2×1065665101501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065665101561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532299250 + ... + 532301251.

It is an arithmetic number, because the mean of its divisors is an integer number (89426442168).

Almost surely, 2^{1065665101501} is an apocalyptic number.

1065665101501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1065665101501 is a deficient number, since it is larger than the sum of its proper divisors (365157973187).

1065665101501 is a wasteful number, since it uses less digits than its factorization.

1065665101501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064600532.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 1065665101501 in words is "one trillion, sixty-five billion, six hundred sixty-five million, one hundred one thousand, five hundred one".