1111201505241 has 4 divisors (see below), whose sum is σ = 1481602006992. Its totient is φ = 740801003492.

The previous prime is 1111201505209. The next prime is 1111201505251. The reversal of 1111201505241 is 1425051021111.

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 1111201505241 - 2⁵ = 1111201505209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111201505251) 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, 185200250871 + ... + 185200250876.

It is an arithmetic number, because the mean of its divisors is an integer number (370400501748).

Almost surely, 2^{1111201505241} is an apocalyptic number.

It is an amenable number.

1111201505241 is a deficient number, since it is larger than the sum of its proper divisors (370400501751).

1111201505241 is an equidigital number, since it uses as much as digits as its factorization.

1111201505241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370400501750.

The product of its (nonzero) digits is 400, while the sum is 24.

Adding to 1111201505241 its reverse (1425051021111), we get a palindrome (2536252526352).

The spelling of 1111201505241 in words is "one trillion, one hundred eleven billion, two hundred one million, five hundred five thousand, two hundred forty-one".