21375061504710 has 64 divisors (see below), whose sum is σ = 54606898828800. Its totient is φ = 5339341193472.

The previous prime is 21375061504673. The next prime is 21375061504711. The reversal of 21375061504710 is 1740516057312.

It is a super-3 number, since 3×21375061504710³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21375061504711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210624034 + ... + 210725493.

It is an arithmetic number, because the mean of its divisors is an integer number (853232794200).

Almost surely, 2^{21375061504710} is an apocalyptic number.

21375061504710 is an abundant number, since it is smaller than the sum of its proper divisors (33231837324090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21375061504710 is a wasteful number, since it uses less digits than its factorization.

21375061504710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421349645.

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 21375061504710 in words is "twenty-one trillion, three hundred seventy-five billion, sixty-one million, five hundred four thousand, seven hundred ten".