102550541525 has 6 divisors (see below), whose sum is σ = 127162671522. Its totient is φ = 82040433200.

The previous prime is 102550541453. The next prime is 102550541539. The reversal of 102550541525 is 525145055201.

It can be written as a sum of positive squares in 3 ways, for example, as 16324917361 + 86225624164 = 127769^2 + 293642^2 .

It is not a de Polignac number, because 102550541525 - 2¹⁰ = 102550540501 is a prime.

It is a super-2 number, since 2×102550541525² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2051010806 + ... + 2051010855.

It is an arithmetic number, because the mean of its divisors is an integer number (21193778587).

Almost surely, 2^102550541525 is an apocalyptic number.

It is an amenable number.

102550541525 is a deficient number, since it is larger than the sum of its proper divisors (24612129997).

102550541525 is an equidigital number, since it uses as much as digits as its factorization.

102550541525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102021671 (or 4102021666 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

Adding to 102550541525 its reverse (525145055201), we get a palindrome (627695596726).

The spelling of 102550541525 in words is "one hundred two billion, five hundred fifty million, five hundred forty-one thousand, five hundred twenty-five".