102520424511243 has 12 divisors (see below), whose sum is σ = 148085166075288. Its totient is φ = 68346899621280.

The previous prime is 102520424511217. The next prime is 102520424511247. The reversal of 102520424511243 is 342115424025201.

102520424511243 is a `hidden beast` number, since 1 + 0 + 2 + 520 + 4 + 2 + 4 + 5 + 1 + 124 + 3 = 666.

It is not a de Polignac number, because 102520424511243 - 2¹⁸ = 102520424249099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102520424511198 and 102520424511207.

It is not an unprimeable number, because it can be changed into a prime (102520424511247) 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, 12170988 + ... + 18792918.

It is an arithmetic number, because the mean of its divisors is an integer number (12340430506274).

Almost surely, 2^{102520424511243} is an apocalyptic number.

102520424511243 is a deficient number, since it is larger than the sum of its proper divisors (45564741564045).

102520424511243 is a wasteful number, since it uses less digits than its factorization.

102520424511243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8342154 (or 8342151 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 102520424511243 its reverse (342115424025201), we get a palindrome (444635848536444).

The spelling of 102520424511243 in words is "one hundred two trillion, five hundred twenty billion, four hundred twenty-four million, five hundred eleven thousand, two hundred forty-three".