21113151150479 has 2 divisors, whose sum is σ = 21113151150480. Its totient is φ = 21113151150478.

The previous prime is 21113151150383. The next prime is 21113151150503. The reversal of 21113151150479 is 97405115131112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21113151150479 - 2³⁶ = 21044431673743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21113151170479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556575575239 + 10556575575240.

It is an arithmetic number, because the mean of its divisors is an integer number (10556575575240).

Almost surely, 2^{21113151150479} is an apocalyptic number.

21113151150479 is a deficient number, since it is larger than the sum of its proper divisors (1).

21113151150479 is an equidigital number, since it uses as much as digits as its factorization.

21113151150479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 41.

The spelling of 21113151150479 in words is "twenty-one trillion, one hundred thirteen billion, one hundred fifty-one million, one hundred fifty thousand, four hundred seventy-nine".