1165526101 has 16 divisors (see below), whose sum is σ = 1246795200. Its totient is φ = 1086386688.

The previous prime is 1165526099. The next prime is 1165526107. The reversal of 1165526101 is 1016255611.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1165526101 - 2¹ = 1165526099 is a prime.

It is a super-2 number, since 2×1165526101² = 2716902184224524402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1165526101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165526107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328131 + ... + 331663.

It is an arithmetic number, because the mean of its divisors is an integer number (77924700).

Almost surely, 2^1165526101 is an apocalyptic number.

It is an amenable number.

1165526101 is a deficient number, since it is larger than the sum of its proper divisors (81269099).

1165526101 is a wasteful number, since it uses less digits than its factorization.

1165526101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1165526101 is about 34139.8022987832. The cubic root of 1165526101 is about 1052.3834295211.

The spelling of 1165526101 in words is "one billion, one hundred sixty-five million, five hundred twenty-six thousand, one hundred one".