101252505807434 has 4 divisors (see below), whose sum is σ = 151878758711154. Its totient is φ = 50626252903716.

The previous prime is 101252505807421. The next prime is 101252505807449. The reversal of 101252505807434 is 434708505252101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99855152490025 + 1397353317409 = 9992755^2 + 1182097^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25313126451857 + ... + 25313126451860.

Almost surely, 2^{101252505807434} is an apocalyptic number.

101252505807434 is a deficient number, since it is larger than the sum of its proper divisors (50626252903720).

101252505807434 is an equidigital number, since it uses as much as digits as its factorization.

101252505807434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50626252903719.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 101252505807434 in words is "one hundred one trillion, two hundred fifty-two billion, five hundred five million, eight hundred seven thousand, four hundred thirty-four".