21150011411053 has 8 divisors (see below), whose sum is σ = 24462663801408. Its totient is φ = 17910164567904.

The previous prime is 21150011411021. The next prime is 21150011411063. The reversal of 21150011411053 is 35011411005112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21150011411053 - 2⁵ = 21150011411021 is a prime.

It is a super-2 number, since 2×21150011411053² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21150011411063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18201386176 + ... + 18201387337.

It is an arithmetic number, because the mean of its divisors is an integer number (3057832975176).

Almost surely, 2^{21150011411053} is an apocalyptic number.

It is an amenable number.

21150011411053 is a deficient number, since it is larger than the sum of its proper divisors (3312652390355).

21150011411053 is an equidigital number, since it uses as much as digits as its factorization.

21150011411053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36402773603.

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 21150011411053 its reverse (35011411005112), we get a palindrome (56161422416165).

The spelling of 21150011411053 in words is "twenty-one trillion, one hundred fifty billion, eleven million, four hundred eleven thousand, fifty-three".