11653553545453 has 2 divisors, whose sum is σ = 11653553545454. Its totient is φ = 11653553545452.

The previous prime is 11653553545451. The next prime is 11653553545457. The reversal of 11653553545453 is 35454535535611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11072302835049 + 581250710404 = 3327507^2 + 762398^2 .

It is a cyclic number.

It is not a de Polignac number, because 11653553545453 - 2¹ = 11653553545451 is a prime.

Together with 11653553545451, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11653553545394 and 11653553545403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11653553545451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5826776772726 + 5826776772727.

It is an arithmetic number, because the mean of its divisors is an integer number (5826776772727).

Almost surely, 2^{11653553545453} is an apocalyptic number.

It is an amenable number.

11653553545453 is a deficient number, since it is larger than the sum of its proper divisors (1).

11653553545453 is an equidigital number, since it uses as much as digits as its factorization.

11653553545453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500000, while the sum is 55.

The spelling of 11653553545453 in words is "eleven trillion, six hundred fifty-three billion, five hundred fifty-three million, five hundred forty-five thousand, four hundred fifty-three".