253211264641 has 32 divisors (see below), whose sum is σ = 284645560320. Its totient is φ = 224071142400.

The previous prime is 253211264639. The next prime is 253211264687. The reversal of 253211264641 is 146462112352.

It is a cyclic number.

It is not a de Polignac number, because 253211264641 - 2¹ = 253211264639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253211264641.

It is not an unprimeable number, because it can be changed into a prime (253211864641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14010751 + ... + 14028811.

It is an arithmetic number, because the mean of its divisors is an integer number (8895173760).

Almost surely, 2^253211264641 is an apocalyptic number.

It is an amenable number.

253211264641 is a deficient number, since it is larger than the sum of its proper divisors (31434295679).

253211264641 is a wasteful number, since it uses less digits than its factorization.

253211264641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18865.

The product of its digits is 69120, while the sum is 37.

Adding to 253211264641 its reverse (146462112352), we get a palindrome (399673376993).

The spelling of 253211264641 in words is "two hundred fifty-three billion, two hundred eleven million, two hundred sixty-four thousand, six hundred forty-one".