21100600460145 has 32 divisors (see below), whose sum is σ = 35773203502080. Its totient is φ = 10590750993600.

The previous prime is 21100600460143. The next prime is 21100600460171. The reversal of 21100600460145 is 54106400600112.

It is not a de Polignac number, because 21100600460145 - 2¹ = 21100600460143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21100600460143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245113239 + ... + 245199308.

It is an arithmetic number, because the mean of its divisors is an integer number (1117912609440).

Almost surely, 2^{21100600460145} is an apocalyptic number.

It is an amenable number.

21100600460145 is a deficient number, since it is larger than the sum of its proper divisors (14672603041935).

21100600460145 is a wasteful number, since it uses less digits than its factorization.

21100600460145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490312725.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 21100600460145 in words is "twenty-one trillion, one hundred billion, six hundred million, four hundred sixty thousand, one hundred forty-five".