15132140155121 has 16 divisors (see below), whose sum is σ = 17045024206848. Its totient is φ = 13309041387600.

The previous prime is 15132140155103. The next prime is 15132140155129. The reversal of 15132140155121 is 12155104123151.

It is a cyclic number.

It is not a de Polignac number, because 15132140155121 - 2¹⁴ = 15132140138737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15132140155129) 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, 4921355 + ... + 7381328.

It is an arithmetic number, because the mean of its divisors is an integer number (1065314012928).

Almost surely, 2^{15132140155121} is an apocalyptic number.

15132140155121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15132140155121 is a deficient number, since it is larger than the sum of its proper divisors (1912884051727).

15132140155121 is a wasteful number, since it uses less digits than its factorization.

15132140155121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12306332.

The product of its (nonzero) digits is 6000, while the sum is 32.

Adding to 15132140155121 its reverse (12155104123151), we get a palindrome (27287244278272).

The spelling of 15132140155121 in words is "fifteen trillion, one hundred thirty-two billion, one hundred forty million, one hundred fifty-five thousand, one hundred twenty-one".