2251516120343 has 4 divisors (see below), whose sum is σ = 2573161280400. Its totient is φ = 1929870960288.

The previous prime is 2251516120309. The next prime is 2251516120351. The reversal of 2251516120343 is 3430216151522.

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 2251516120343 - 2¹⁴ = 2251516103959 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 (2251516120643) 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, 160822580018 + ... + 160822580031.

It is an arithmetic number, because the mean of its divisors is an integer number (643290320100).

Almost surely, 2^{2251516120343} is an apocalyptic number.

2251516120343 is a deficient number, since it is larger than the sum of its proper divisors (321645160057).

2251516120343 is an equidigital number, since it uses as much as digits as its factorization.

2251516120343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321645160056.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 2251516120343 in words is "two trillion, two hundred fifty-one billion, five hundred sixteen million, one hundred twenty thousand, three hundred forty-three".