1125552412241 has 4 divisors (see below), whose sum is σ = 1130261836800. Its totient is φ = 1120842987684.

The previous prime is 1125552412183. The next prime is 1125552412307. The reversal of 1125552412241 is 1422142555211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1125552412241 - 2²⁶ = 1125485303377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1125552412741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354711921 + ... + 2354712398.

It is an arithmetic number, because the mean of its divisors is an integer number (282565459200).

Almost surely, 2^{1125552412241} is an apocalyptic number.

It is an amenable number.

1125552412241 is a deficient number, since it is larger than the sum of its proper divisors (4709424559).

1125552412241 is an equidigital number, since it uses as much as digits as its factorization.

1125552412241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4709424558.

The product of its digits is 32000, while the sum is 35.

Adding to 1125552412241 its reverse (1422142555211), we get a palindrome (2547694967452).

The spelling of 1125552412241 in words is "one trillion, one hundred twenty-five billion, five hundred fifty-two million, four hundred twelve thousand, two hundred forty-one".