21467160102253 has 4 divisors (see below), whose sum is σ = 21576130458300. Its totient is φ = 21358189746208.

The previous prime is 21467160102247. The next prime is 21467160102259. The reversal of 21467160102253 is 35220106176412.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (21467160102247) and next prime (21467160102259).

It can be written as a sum of positive squares in 2 ways, for example, as 20983609539369 + 483550562884 = 4580787^2 + 695378^2 .

It is a cyclic number.

It is not a de Polignac number, because 21467160102253 - 2²¹ = 21467158005101 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 (21467160102259) 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, 54485177728 + ... + 54485178121.

It is an arithmetic number, because the mean of its divisors is an integer number (5394032614575).

Almost surely, 2^{21467160102253} is an apocalyptic number.

It is an amenable number.

21467160102253 is a deficient number, since it is larger than the sum of its proper divisors (108970356047).

21467160102253 is a wasteful number, since it uses less digits than its factorization.

21467160102253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108970356046.

The product of its (nonzero) digits is 120960, while the sum is 40.

Adding to 21467160102253 its reverse (35220106176412), we get a palindrome (56687266278665).

The spelling of 21467160102253 in words is "twenty-one trillion, four hundred sixty-seven billion, one hundred sixty million, one hundred two thousand, two hundred fifty-three".