102052016423251 has 16 divisors (see below), whose sum is σ = 109994659185888. Its totient is φ = 94329705484800.

The previous prime is 102052016423207. The next prime is 102052016423293. The reversal of 102052016423251 is 152324610250201.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102052016423251 is a prime.

It is a super-2 number, since 2×102052016423251² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102052016223251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74675685 + ... + 76030006.

It is an arithmetic number, because the mean of its divisors is an integer number (6874666199118).

Almost surely, 2^{102052016423251} is an apocalyptic number.

102052016423251 is a deficient number, since it is larger than the sum of its proper divisors (7942642762637).

102052016423251 is a wasteful number, since it uses less digits than its factorization.

102052016423251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150706422.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 102052016423251 its reverse (152324610250201), we get a palindrome (254376626673452).

The spelling of 102052016423251 in words is "one hundred two trillion, fifty-two billion, sixteen million, four hundred twenty-three thousand, two hundred fifty-one".