11454134011421 has 2 divisors, whose sum is σ = 11454134011422. Its totient is φ = 11454134011420.

The previous prime is 11454134011403. The next prime is 11454134011517. The reversal of 11454134011421 is 12411043145411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10794253982521 + 659880028900 = 3285461^2 + 812330^2 .

It is a cyclic number.

It is not a de Polignac number, because 11454134011421 - 2¹⁴ = 11454133995037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11454134017421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727067005710 + 5727067005711.

It is an arithmetic number, because the mean of its divisors is an integer number (5727067005711).

Almost surely, 2^{11454134011421} is an apocalyptic number.

It is an amenable number.

11454134011421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11454134011421 is an equidigital number, since it uses as much as digits as its factorization.

11454134011421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 32.

Adding to 11454134011421 its reverse (12411043145411), we get a palindrome (23865177156832).

The spelling of 11454134011421 in words is "eleven trillion, four hundred fifty-four billion, one hundred thirty-four million, eleven thousand, four hundred twenty-one".