2251360040253 has 4 divisors (see below), whose sum is σ = 3001813387008. Its totient is φ = 1500906693500.

The previous prime is 2251360040239. The next prime is 2251360040263. The reversal of 2251360040253 is 3520400631522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2251360040253 - 2⁵ = 2251360040221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251360040263) 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, 375226673373 + ... + 375226673378.

It is an arithmetic number, because the mean of its divisors is an integer number (750453346752).

Almost surely, 2^{2251360040253} is an apocalyptic number.

It is an amenable number.

2251360040253 is a deficient number, since it is larger than the sum of its proper divisors (750453346755).

2251360040253 is an equidigital number, since it uses as much as digits as its factorization.

2251360040253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750453346754.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 2251360040253 its reverse (3520400631522), we get a palindrome (5771760671775).

The spelling of 2251360040253 in words is "two trillion, two hundred fifty-one billion, three hundred sixty million, forty thousand, two hundred fifty-three".