21450403115133 has 32 divisors (see below), whose sum is σ = 30207599600640. Its totient is φ = 13501837071360.

The previous prime is 21450403115093. The next prime is 21450403115147. The reversal of 21450403115133 is 33151130405412.

It is not a de Polignac number, because 21450403115133 - 2¹³ = 21450403106941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21450403115094 and 21450403115103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21450403115153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151242973 + ... + 151384733.

It is an arithmetic number, because the mean of its divisors is an integer number (943987487520).

Almost surely, 2^{21450403115133} is an apocalyptic number.

It is an amenable number.

21450403115133 is a deficient number, since it is larger than the sum of its proper divisors (8757196485507).

21450403115133 is a wasteful number, since it uses less digits than its factorization.

21450403115133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150737.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 21450403115133 in words is "twenty-one trillion, four hundred fifty billion, four hundred three million, one hundred fifteen thousand, one hundred thirty-three".