102153113322515 has 4 divisors (see below), whose sum is σ = 122583735987024. Its totient is φ = 81722490658008.

The previous prime is 102153113322503. The next prime is 102153113322599. The reversal of 102153113322515 is 515223311351201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102153113322515 - 2⁴ = 102153113322499 is a prime.

It is a super-2 number, since 2×102153113322515² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10215311332247 + ... + 10215311332256.

It is an arithmetic number, because the mean of its divisors is an integer number (30645933996756).

Almost surely, 2^{102153113322515} is an apocalyptic number.

102153113322515 is a deficient number, since it is larger than the sum of its proper divisors (20430622664509).

102153113322515 is an equidigital number, since it uses as much as digits as its factorization.

102153113322515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20430622664508.

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 102153113322515 its reverse (515223311351201), we get a palindrome (617376424673716).

The spelling of 102153113322515 in words is "one hundred two trillion, one hundred fifty-three billion, one hundred thirteen million, three hundred twenty-two thousand, five hundred fifteen".