52100003512345 has 24 divisors (see below), whose sum is σ = 65357407571400. Its totient is φ = 39867244978176.

The previous prime is 52100003512289. The next prime is 52100003512397. The reversal of 52100003512345 is 54321530000125.

It can be written as a sum of positive squares in 4 ways, for example, as 4092108226816 + 48007895285529 = 2022896^2 + 6928773^2 .

It is not a de Polignac number, because 52100003512345 - 2⁹ = 52100003511833 is a prime.

It is a super-2 number, since 2×52100003512345² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293583001 + ... + 293760409.

It is an arithmetic number, because the mean of its divisors is an integer number (2723225315475).

Almost surely, 2^{52100003512345} is an apocalyptic number.

It is an amenable number.

52100003512345 is a deficient number, since it is larger than the sum of its proper divisors (13257404059055).

52100003512345 is a wasteful number, since it uses less digits than its factorization.

52100003512345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288489 (or 288466 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 52100003512345 in words is "fifty-two trillion, one hundred billion, three million, five hundred twelve thousand, three hundred forty-five".