21465134225110 has 32 divisors (see below), whose sum is σ = 38853118434240. Its totient is φ = 8538172184448.

The previous prime is 21465134225107. The next prime is 21465134225131. The reversal of 21465134225110 is 1152243156412.

It is a self number, because there is not a number n which added to its sum of digits gives 21465134225110.

It is a congruent number.

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, 3809997 + ... + 7579336.

It is an arithmetic number, because the mean of its divisors is an integer number (1214159951070).

Almost surely, 2^{21465134225110} is an apocalyptic number.

21465134225110 is a deficient number, since it is larger than the sum of its proper divisors (17387984209130).

21465134225110 is a wasteful number, since it uses less digits than its factorization.

21465134225110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11390392.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 21465134225110 in words is "twenty-one trillion, four hundred sixty-five billion, one hundred thirty-four million, two hundred twenty-five thousand, one hundred ten".