1241520211144 has 16 divisors (see below), whose sum is σ = 2339911799820. Its totient is φ = 617543731200.

The previous prime is 1241520211123. The next prime is 1241520211153. The reversal of 1241520211144 is 4411120251421.

It can be written as a sum of positive squares in 2 ways, for example, as 975097000900 + 266423210244 = 987470^2 + 516162^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402045157 + ... + 402048244.

Almost surely, 2^{1241520211144} is an apocalyptic number.

It is an amenable number.

1241520211144 is a deficient number, since it is larger than the sum of its proper divisors (1098391588676).

1241520211144 is a wasteful number, since it uses less digits than its factorization.

1241520211144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804093600 (or 804093596 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

Adding to 1241520211144 its reverse (4411120251421), we get a palindrome (5652640462565).

The spelling of 1241520211144 in words is "one trillion, two hundred forty-one billion, five hundred twenty million, two hundred eleven thousand, one hundred forty-four".