14521870505481 has 32 divisors (see below), whose sum is σ = 20761695106560. Its totient is φ = 8996111714304.

The previous prime is 14521870505479. The next prime is 14521870505543. The reversal of 14521870505481 is 18450507812541.

It is a happy number.

14521870505481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14521870505481 - 2¹ = 14521870505479 is a prime.

It is a super-2 number, since 2×14521870505481² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (14521870505431) 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, 183009891 + ... + 183089223.

It is an arithmetic number, because the mean of its divisors is an integer number (648802972080).

Almost surely, 2^{14521870505481} is an apocalyptic number.

It is an amenable number.

14521870505481 is a deficient number, since it is larger than the sum of its proper divisors (6239824601079).

14521870505481 is a wasteful number, since it uses less digits than its factorization.

14521870505481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124865.

The product of its (nonzero) digits is 1792000, while the sum is 51.

The spelling of 14521870505481 in words is "fourteen trillion, five hundred twenty-one billion, eight hundred seventy million, five hundred five thousand, four hundred eighty-one".