1150001055565 has 16 divisors (see below), whose sum is σ = 1394184960000. Its totient is φ = 910551851200.

The previous prime is 1150001055563. The next prime is 1150001055569. The reversal of 1150001055565 is 5655501000511.

It is not a de Polignac number, because 1150001055565 - 2¹ = 1150001055563 is a prime.

It is a super-2 number, since 2×1150001055565² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1150001055565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150001055563) 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, 933186 + ... + 1780684.

It is an arithmetic number, because the mean of its divisors is an integer number (87136560000).

Almost surely, 2^{1150001055565} is an apocalyptic number.

It is an amenable number.

1150001055565 is a deficient number, since it is larger than the sum of its proper divisors (244183904435).

1150001055565 is a wasteful number, since it uses less digits than its factorization.

1150001055565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850292.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 1150001055565 in words is "one trillion, one hundred fifty billion, one million, fifty-five thousand, five hundred sixty-five".