100402545265 has 64 divisors (see below), whose sum is σ = 139878047232. Its totient is φ = 68464281600.

The previous prime is 100402545239. The next prime is 100402545277. The reversal of 100402545265 is 562545204001.

It is not a de Polignac number, because 100402545265 - 2¹⁷ = 100402414193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100402545265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24150567 + ... + 24154723.

It is an arithmetic number, because the mean of its divisors is an integer number (2185594488).

Almost surely, 2^100402545265 is an apocalyptic number.

It is an amenable number.

100402545265 is a deficient number, since it is larger than the sum of its proper divisors (39475501967).

100402545265 is a wasteful number, since it uses less digits than its factorization.

100402545265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 100402545265 its reverse (562545204001), we get a palindrome (662947749266).

The spelling of 100402545265 in words is "one hundred billion, four hundred two million, five hundred forty-five thousand, two hundred sixty-five".