102152172819 has 8 divisors (see below), whose sum is σ = 136283070400. Its totient is φ = 68061361896.

The previous prime is 102152172803. The next prime is 102152172833. The reversal of 102152172819 is 918271251201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102152172819 - 2⁴ = 102152172803 is a prime.

It is a super-2 number, since 2×102152172819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102152172019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10015717 + ... + 10025910.

It is an arithmetic number, because the mean of its divisors is an integer number (17035383800).

Almost surely, 2^102152172819 is an apocalyptic number.

102152172819 is a deficient number, since it is larger than the sum of its proper divisors (34130897581).

102152172819 is a wasteful number, since it uses less digits than its factorization.

102152172819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20043329.

The product of its (nonzero) digits is 20160, while the sum is 39.

The spelling of 102152172819 in words is "one hundred two billion, one hundred fifty-two million, one hundred seventy-two thousand, eight hundred nineteen".