14540520121 has 16 divisors (see below), whose sum is σ = 16075010304. Its totient is φ = 13082217984.

The previous prime is 14540520101. The next prime is 14540520149. The reversal of 14540520121 is 12102504541.

It is a cyclic number.

It is not a de Polignac number, because 14540520121 - 2¹³ = 14540511929 is a prime.

It is a super-2 number, since 2×14540520121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14540520101) 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, 686725 + ... + 707581.

It is an arithmetic number, because the mean of its divisors is an integer number (1004688144).

Almost surely, 2^14540520121 is an apocalyptic number.

It is an amenable number.

14540520121 is a deficient number, since it is larger than the sum of its proper divisors (1534490183).

14540520121 is a wasteful number, since it uses less digits than its factorization.

14540520121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22680.

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 14540520121 in words is "fourteen billion, five hundred forty million, five hundred twenty thousand, one hundred twenty-one".