2251553336435 has 16 divisors (see below), whose sum is σ = 2980667985120. Its totient is φ = 1622132232960.

The previous prime is 2251553336387. The next prime is 2251553336437. The reversal of 2251553336435 is 5346333551522.

It is not a de Polignac number, because 2251553336435 - 2¹⁰ = 2251553335411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2251553336435.

It is not an unprimeable number, because it can be changed into a prime (2251553336437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422427605 + ... + 422432934.

It is an arithmetic number, because the mean of its divisors is an integer number (186291749070).

Almost surely, 2^{2251553336435} is an apocalyptic number.

2251553336435 is a deficient number, since it is larger than the sum of its proper divisors (729114648685).

2251553336435 is a wasteful number, since it uses less digits than its factorization.

2251553336435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844860598.

The product of its digits is 4860000, while the sum is 47.

Adding to 2251553336435 its reverse (5346333551522), we get a palindrome (7597886887957).

The spelling of 2251553336435 in words is "two trillion, two hundred fifty-one billion, five hundred fifty-three million, three hundred thirty-six thousand, four hundred thirty-five".