21150024536041 has 4 divisors (see below), whose sum is σ = 21344061458500. Its totient is φ = 20955987613584.

The previous prime is 21150024536029. The next prime is 21150024536059. The reversal of 21150024536041 is 14063542005112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19047463635600 + 2102560900441 = 4364340^2 + 1450021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21150024536041 is a prime.

It is a super-3 number, since 3×21150024536041³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21150024535988 and 21150024536006.

It is not an unprimeable number, because it can be changed into a prime (21150024539041) 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, 97018461066 + ... + 97018461283.

It is an arithmetic number, because the mean of its divisors is an integer number (5336015364625).

Almost surely, 2^{21150024536041} is an apocalyptic number.

It is an amenable number.

21150024536041 is a deficient number, since it is larger than the sum of its proper divisors (194036922459).

21150024536041 is a wasteful number, since it uses less digits than its factorization.

21150024536041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194036922458.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 21150024536041 in words is "twenty-one trillion, one hundred fifty billion, twenty-four million, five hundred thirty-six thousand, forty-one".