1151550211241 has 4 divisors (see below), whose sum is σ = 1151552643984. Its totient is φ = 1151547778500.

The previous prime is 1151550211237. The next prime is 1151550211289. The reversal of 1151550211241 is 1421120551511.

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 1151550211241 - 2² = 1151550211237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151550261241) 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, 250895 + ... + 1538196.

It is an arithmetic number, because the mean of its divisors is an integer number (287888160996).

Almost surely, 2^{1151550211241} is an apocalyptic number.

It is an amenable number.

1151550211241 is a deficient number, since it is larger than the sum of its proper divisors (2432743).

1151550211241 is an equidigital number, since it uses as much as digits as its factorization.

1151550211241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432742.

The product of its (nonzero) digits is 2000, while the sum is 29.

Adding to 1151550211241 its reverse (1421120551511), we get a palindrome (2572670762752).

The spelling of 1151550211241 in words is "one trillion, one hundred fifty-one billion, five hundred fifty million, two hundred eleven thousand, two hundred forty-one".