21041350150051 has 16 divisors (see below), whose sum is σ = 26235061118208. Its totient is φ = 16394801320800.

The previous prime is 21041350150031. The next prime is 21041350150063. The reversal of 21041350150051 is 15005105314012.

It is not a de Polignac number, because 21041350150051 - 2⁷ = 21041350149923 is a prime.

It is a super-2 number, since 2×21041350150051² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21041350150031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7595065 + ... + 9988378.

It is an arithmetic number, because the mean of its divisors is an integer number (1639691319888).

Almost surely, 2^{21041350150051} is an apocalyptic number.

21041350150051 is a deficient number, since it is larger than the sum of its proper divisors (5193710968157).

21041350150051 is a wasteful number, since it uses less digits than its factorization.

21041350150051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17599002.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 21041350150051 its reverse (15005105314012), we get a palindrome (36046455464063).

The spelling of 21041350150051 in words is "twenty-one trillion, forty-one billion, three hundred fifty million, one hundred fifty thousand, fifty-one".