1153540223045 has 96 divisors (see below), whose sum is σ = 1716103293696. Its totient is φ = 741117081600.

The previous prime is 1153540223041. The next prime is 1153540223071. The reversal of 1153540223045 is 5403220453511.

It is not a de Polignac number, because 1153540223045 - 2² = 1153540223041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1153540222996 and 1153540223014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153540223041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27654605 + ... + 27696285.

It is an arithmetic number, because the mean of its divisors is an integer number (17876075976).

Almost surely, 2^{1153540223045} is an apocalyptic number.

It is an amenable number.

1153540223045 is a deficient number, since it is larger than the sum of its proper divisors (562563070651).

1153540223045 is a wasteful number, since it uses less digits than its factorization.

1153540223045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41851 (or 41844 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 1153540223045 its reverse (5403220453511), we get a palindrome (6556760676556).

The spelling of 1153540223045 in words is "one trillion, one hundred fifty-three billion, five hundred forty million, two hundred twenty-three thousand, forty-five".