21776006341235 has 16 divisors (see below), whose sum is σ = 26316486900000. Its totient is φ = 17297639982336.

The previous prime is 21776006341207. The next prime is 21776006341259. The reversal of 21776006341235 is 53214360067712.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21776006341235 - 2¹⁴ = 21776006324851 is a prime.

It is a super-2 number, since 2×21776006341235² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21776006341235.

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, 21660410 + ... + 22643439.

It is an arithmetic number, because the mean of its divisors is an integer number (1644780431250).

Almost surely, 2^{21776006341235} is an apocalyptic number.

21776006341235 is a deficient number, since it is larger than the sum of its proper divisors (4540480558765).

21776006341235 is a wasteful number, since it uses less digits than its factorization.

21776006341235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44304550.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 21776006341235 in words is "twenty-one trillion, seven hundred seventy-six billion, six million, three hundred forty-one thousand, two hundred thirty-five".