10541404453421 has 4 divisors (see below), whose sum is σ = 10541411575200. Its totient is φ = 10541397331644.

The previous prime is 10541404453399. The next prime is 10541404453451. The reversal of 10541404453421 is 12435440414501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10541404453421 - 2³⁰ = 10540330711597 is a prime.

It is a super-2 number, since 2×10541404453421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10541404453451) 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, 413111 + ... + 4610148.

It is an arithmetic number, because the mean of its divisors is an integer number (2635352893800).

Almost surely, 2^{10541404453421} is an apocalyptic number.

It is an amenable number.

10541404453421 is a deficient number, since it is larger than the sum of its proper divisors (7121779).

10541404453421 is an equidigital number, since it uses as much as digits as its factorization.

10541404453421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121778.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 10541404453421 its reverse (12435440414501), we get a palindrome (22976844867922).

The spelling of 10541404453421 in words is "ten trillion, five hundred forty-one billion, four hundred four million, four hundred fifty-three thousand, four hundred twenty-one".