11454134001421 has 2 divisors, whose sum is σ = 11454134001422. Its totient is φ = 11454134001420.

The previous prime is 11454134001407. The next prime is 11454134001439. The reversal of 11454134001421 is 12410043145411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7664376308521 + 3789757692900 = 2768461^2 + 1946730^2 .

It is a cyclic number.

It is not a de Polignac number, because 11454134001421 - 2²⁵ = 11454100446989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11454134011421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727067000710 + 5727067000711.

It is an arithmetic number, because the mean of its divisors is an integer number (5727067000711).

Almost surely, 2^{11454134001421} is an apocalyptic number.

It is an amenable number.

11454134001421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11454134001421 is an equidigital number, since it uses as much as digits as its factorization.

11454134001421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 11454134001421 its reverse (12410043145411), we get a palindrome (23864177146832).

The spelling of 11454134001421 in words is "eleven trillion, four hundred fifty-four billion, one hundred thirty-four million, one thousand, four hundred twenty-one".