13515214153 has 12 divisors (see below), whose sum is σ = 15740976132. Its totient is φ = 11570324640.

The previous prime is 13515214117. The next prime is 13515214177. The reversal of 13515214153 is 35141251531.

It can be written as a sum of positive squares in 2 ways, for example, as 4393436089 + 9121778064 = 66283^2 + 95508^2 .

It is not a de Polignac number, because 13515214153 - 2¹³ = 13515205961 is a prime.

It is a super-2 number, since 2×13515214153² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13515212153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127750 + ... + 208207.

It is an arithmetic number, because the mean of its divisors is an integer number (1311748011).

Almost surely, 2^13515214153 is an apocalyptic number.

It is an amenable number.

13515214153 is a deficient number, since it is larger than the sum of its proper divisors (2225761979).

13515214153 is an equidigital number, since it uses as much as digits as its factorization.

13515214153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336792 (or 336785 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

Adding to 13515214153 its reverse (35141251531), we get a palindrome (48656465684).

The spelling of 13515214153 in words is "thirteen billion, five hundred fifteen million, two hundred fourteen thousand, one hundred fifty-three".