2251540451522 has 32 divisors (see below), whose sum is σ = 3437036540544. Its totient is φ = 1105954819200.

The previous prime is 2251540451491. The next prime is 2251540451527.

2251540451522 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2251540451527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238682918 + ... + 238692350.

It is an arithmetic number, because the mean of its divisors is an integer number (107407391892).

Almost surely, 2^{2251540451522} is an apocalyptic number.

2251540451522 is a deficient number, since it is larger than the sum of its proper divisors (1185496089022).

2251540451522 is a wasteful number, since it uses less digits than its factorization.

2251540451522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14154.

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 2251540451522 in words is "two trillion, two hundred fifty-one billion, five hundred forty million, four hundred fifty-one thousand, five hundred twenty-two".