1135561033425 has 96 divisors (see below), whose sum is σ = 2311212072960. Its totient is φ = 479079993600.

The previous prime is 1135561033393. The next prime is 1135561033429. The reversal of 1135561033425 is 5243301655311.

It is not a de Polignac number, because 1135561033425 - 2⁵ = 1135561033393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1135561033429) 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, 38143696 + ... + 38173454.

It is an arithmetic number, because the mean of its divisors is an integer number (24075125760).

Almost surely, 2^{1135561033425} is an apocalyptic number.

1135561033425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1135561033425 is an abundant number, since it is smaller than the sum of its proper divisors (1175651039535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1135561033425 is a wasteful number, since it uses less digits than its factorization.

1135561033425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35383 (or 35378 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

Adding to 1135561033425 its reverse (5243301655311), we get a palindrome (6378862688736).

The spelling of 1135561033425 in words is "one trillion, one hundred thirty-five billion, five hundred sixty-one million, thirty-three thousand, four hundred twenty-five".