21150215336035 has 16 divisors (see below), whose sum is σ = 26091813327552. Its totient is φ = 16448739596800.

The previous prime is 21150215335969. The next prime is 21150215336051. The reversal of 21150215336035 is 53063351205112.

It is a de Polignac number, because none of the positive numbers 2^k-21150215336035 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21150215335985 and 21150215336003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183522079 + ... + 183637288.

It is an arithmetic number, because the mean of its divisors is an integer number (1630738332972).

Almost surely, 2^{21150215336035} is an apocalyptic number.

21150215336035 is a deficient number, since it is larger than the sum of its proper divisors (4941597991517).

21150215336035 is a wasteful number, since it uses less digits than its factorization.

21150215336035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367159694.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 21150215336035 in words is "twenty-one trillion, one hundred fifty billion, two hundred fifteen million, three hundred thirty-six thousand, thirty-five".