21115323152035 has 16 divisors (see below), whose sum is σ = 28965267446976. Its totient is φ = 14475523742208.

The previous prime is 21115323152029. The next prime is 21115323152057. The reversal of 21115323152035 is 53025132351112.

It is a cyclic number.

It is not a de Polignac number, because 21115323152035 - 2⁹ = 21115323151523 is a prime.

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, 73917714 + ... + 74202823.

It is an arithmetic number, because the mean of its divisors is an integer number (1810329215436).

Almost surely, 2^{21115323152035} is an apocalyptic number.

21115323152035 is a deficient number, since it is larger than the sum of its proper divisors (7849944294941).

21115323152035 is a wasteful number, since it uses less digits than its factorization.

21115323152035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148124622.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 21115323152035 in words is "twenty-one trillion, one hundred fifteen billion, three hundred twenty-three million, one hundred fifty-two thousand, thirty-five".