251102243041 has 12 divisors (see below), whose sum is σ = 271992200940. Its totient is φ = 231711168000.

The previous prime is 251102242987. The next prime is 251102243053. The reversal of 251102243041 is 140342201152.

It can be written as a sum of positive squares in 6 ways, for example, as 156350016 + 250945893025 = 12504^2 + 500945^2 .

It is not a de Polignac number, because 251102243041 - 2⁷ = 251102242913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 251102242997 and 251102243015.

It is not an unprimeable number, because it can be changed into a prime (251102243641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281541 + ... + 762541.

It is an arithmetic number, because the mean of its divisors is an integer number (22666016745).

Almost surely, 2^251102243041 is an apocalyptic number.

It is an amenable number.

251102243041 is a deficient number, since it is larger than the sum of its proper divisors (20889957899).

251102243041 is a wasteful number, since it uses less digits than its factorization.

251102243041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484116 (or 484103 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 251102243041 its reverse (140342201152), we get a palindrome (391444444193).

The spelling of 251102243041 in words is "two hundred fifty-one billion, one hundred two million, two hundred forty-three thousand, forty-one".