2251151420341 has 4 divisors (see below), whose sum is σ = 2256765264684. Its totient is φ = 2245537576000.

The previous prime is 2251151420333. The next prime is 2251151420351. The reversal of 2251151420341 is 1430241511522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1966978200100 + 284173220241 = 1402490^2 + 533079^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251151420341 - 2³ = 2251151420333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251151420351) 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, 2806921570 + ... + 2806922371.

It is an arithmetic number, because the mean of its divisors is an integer number (564191316171).

Almost surely, 2^{2251151420341} is an apocalyptic number.

It is an amenable number.

2251151420341 is a deficient number, since it is larger than the sum of its proper divisors (5613844343).

2251151420341 is an equidigital number, since it uses as much as digits as its factorization.

2251151420341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613844342.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 2251151420341 its reverse (1430241511522), we get a palindrome (3681392931863).

The spelling of 2251151420341 in words is "two trillion, two hundred fifty-one billion, one hundred fifty-one million, four hundred twenty thousand, three hundred forty-one".