1240441510051 has 4 divisors (see below), whose sum is σ = 1242120051400. Its totient is φ = 1238762968704.

The previous prime is 1240441510013. The next prime is 1240441510123. The reversal of 1240441510051 is 1500151440421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1240441510051 - 2²³ = 1240433121443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240441010051) 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, 839269566 + ... + 839271043.

It is an arithmetic number, because the mean of its divisors is an integer number (310530012850).

Almost surely, 2^{1240441510051} is an apocalyptic number.

1240441510051 is a deficient number, since it is larger than the sum of its proper divisors (1678541349).

1240441510051 is an equidigital number, since it uses as much as digits as its factorization.

1240441510051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678541348.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 1240441510051 its reverse (1500151440421), we get a palindrome (2740592950472).

The spelling of 1240441510051 in words is "one trillion, two hundred forty billion, four hundred forty-one million, five hundred ten thousand, fifty-one".