13500121154 has 16 divisors (see below), whose sum is σ = 21809813760. Its totient is φ = 6230274960.

The previous prime is 13500121139. The next prime is 13500121163. The reversal of 13500121154 is 45112100531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517967 + ... + 543405.

It is an arithmetic number, because the mean of its divisors is an integer number (1363113360).

Almost surely, 2^13500121154 is an apocalyptic number.

13500121154 is a deficient number, since it is larger than the sum of its proper divisors (8309692606).

13500121154 is a wasteful number, since it uses less digits than its factorization.

13500121154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45865.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 13500121154 its reverse (45112100531), we get a palindrome (58612221685).

The spelling of 13500121154 in words is "thirteen billion, five hundred million, one hundred twenty-one thousand, one hundred fifty-four".