102551502641 has 12 divisors (see below), whose sum is σ = 119338283700. Its totient is φ = 87869103840.

The previous prime is 102551502629. The next prime is 102551502707. The reversal of 102551502641 is 146205155201.

It can be written as a sum of positive squares in 2 ways, for example, as 53451590416 + 49099912225 = 231196^2 + 221585^2 .

It is not a de Polignac number, because 102551502641 - 2⁶ = 102551502577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102551502598 and 102551502607.

It is not an unprimeable number, because it can be changed into a prime (102551502541) 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, 247466 + ... + 516083.

It is an arithmetic number, because the mean of its divisors is an integer number (9944856975).

Almost surely, 2^102551502641 is an apocalyptic number.

It is an amenable number.

102551502641 is a deficient number, since it is larger than the sum of its proper divisors (16786781059).

102551502641 is an equidigital number, since it uses as much as digits as its factorization.

102551502641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766304 (or 766297 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 102551502641 its reverse (146205155201), we get a palindrome (248756657842).

The spelling of 102551502641 in words is "one hundred two billion, five hundred fifty-one million, five hundred two thousand, six hundred forty-one".