21214036462055 has 16 divisors (see below), whose sum is σ = 26819958988800. Its totient is φ = 16064037770400.

The previous prime is 21214036462051. The next prime is 21214036462057. The reversal of 21214036462055 is 55026463041212.

It is not a de Polignac number, because 21214036462055 - 2² = 21214036462051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21214036462051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96895715 + ... + 97114404.

It is an arithmetic number, because the mean of its divisors is an integer number (1676247436800).

Almost surely, 2^{21214036462055} is an apocalyptic number.

21214036462055 is a deficient number, since it is larger than the sum of its proper divisors (5605922526745).

21214036462055 is a wasteful number, since it uses less digits than its factorization.

21214036462055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194011294.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 21214036462055 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, four hundred sixty-two thousand, fifty-five".