1125232421135 has 16 divisors (see below), whose sum is σ = 1409016508416. Its totient is φ = 861029191968.

The previous prime is 1125232421119. The next prime is 1125232421141. The reversal of 1125232421135 is 5311242325211.

It is a cyclic number.

It is not a de Polignac number, because 1125232421135 - 2⁴ = 1125232421119 is a prime.

It is a super-2 number, since 2×1125232421135² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8317202 + ... + 8451408.

It is an arithmetic number, because the mean of its divisors is an integer number (88063531776).

Almost surely, 2^{1125232421135} is an apocalyptic number.

1125232421135 is a deficient number, since it is larger than the sum of its proper divisors (283784087281).

1125232421135 is a wasteful number, since it uses less digits than its factorization.

1125232421135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207142.

The product of its digits is 14400, while the sum is 32.

Adding to 1125232421135 its reverse (5311242325211), we get a palindrome (6436474746346).

The spelling of 1125232421135 in words is "one trillion, one hundred twenty-five billion, two hundred thirty-two million, four hundred twenty-one thousand, one hundred thirty-five".