102551125519 has 2 divisors, whose sum is σ = 102551125520. Its totient is φ = 102551125518.

The previous prime is 102551125421. The next prime is 102551125529. The reversal of 102551125519 is 915521155201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (915521155201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102551125519 - 2⁹ = 102551125007 is a prime.

It is a super-2 number, since 2×102551125519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102551125529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51275562759 + 51275562760.

It is an arithmetic number, because the mean of its divisors is an integer number (51275562760).

Almost surely, 2^102551125519 is an apocalyptic number.

102551125519 is a deficient number, since it is larger than the sum of its proper divisors (1).

102551125519 is an equidigital number, since it uses as much as digits as its factorization.

102551125519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 102551125519 in words is "one hundred two billion, five hundred fifty-one million, one hundred twenty-five thousand, five hundred nineteen".