101520042302452 has 48 divisors (see below), whose sum is σ = 179582070502800. Its totient is φ = 50212651991040.

The previous prime is 101520042302449. The next prime is 101520042302507. The reversal of 101520042302452 is 254203240025101.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 462340161936 + 101057702140516 = 679956^2 + 10052746^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3650604324 + ... + 3650632132.

It is an arithmetic number, because the mean of its divisors is an integer number (3741293135475).

Almost surely, 2^{101520042302452} is an apocalyptic number.

It is an amenable number.

101520042302452 is a deficient number, since it is larger than the sum of its proper divisors (78062028200348).

101520042302452 is a wasteful number, since it uses less digits than its factorization.

101520042302452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43396 (or 43394 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 101520042302452 its reverse (254203240025101), we get a palindrome (355723282327553).

The spelling of 101520042302452 in words is "one hundred one trillion, five hundred twenty billion, forty-two million, three hundred two thousand, four hundred fifty-two".