1155245451005 has 16 divisors (see below), whose sum is σ = 1467904621680. Its totient is φ = 869794332672.

The previous prime is 1155245450963. The next prime is 1155245451029. The reversal of 1155245451005 is 5001545425511.

It can be written as a sum of positive squares in 8 ways, for example, as 158255182969 + 996990268036 = 397813^2 + 998494^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155245451005 - 2⁶ = 1155245450941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1155245451005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1773197 + ... + 2335533.

It is an arithmetic number, because the mean of its divisors is an integer number (91744038855).

Almost surely, 2^{1155245451005} is an apocalyptic number.

It is an amenable number.

1155245451005 is a deficient number, since it is larger than the sum of its proper divisors (312659170675).

1155245451005 is a wasteful number, since it uses less digits than its factorization.

1155245451005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586528.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 1155245451005 in words is "one trillion, one hundred fifty-five billion, two hundred forty-five million, four hundred fifty-one thousand, five".