13154040515 has 64 divisors (see below), whose sum is σ = 20685127680. Its totient is φ = 7786247040.

The previous prime is 13154040451. The next prime is 13154040553. The reversal of 13154040515 is 51504045131.

It is not a de Polignac number, because 13154040515 - 2⁶ = 13154040451 is a prime.

It is a super-2 number, since 2×13154040515² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1225502 + ... + 1236188.

It is an arithmetic number, because the mean of its divisors is an integer number (323205120).

Almost surely, 2^13154040515 is an apocalyptic number.

13154040515 is a deficient number, since it is larger than the sum of its proper divisors (7531087165).

13154040515 is a wasteful number, since it uses less digits than its factorization.

13154040515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10872.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 13154040515 its reverse (51504045131), we get a palindrome (64658085646).

The spelling of 13154040515 in words is "thirteen billion, one hundred fifty-four million, forty thousand, five hundred fifteen".