49865563156201 has 16 divisors (see below), whose sum is σ = 56862952899984. Its totient is φ = 43320081844224.

The previous prime is 49865563156183. The next prime is 49865563156207. The reversal of 49865563156201 is 10265136556894.

It can be written as a sum of positive squares in 8 ways, for example, as 899227372176 + 48966335784025 = 948276^2 + 6997595^2 .

It is a cyclic number.

It is not a de Polignac number, because 49865563156201 - 2⁹ = 49865563155689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49865563156201.

It is not an unprimeable number, because it can be changed into a prime (49865563156207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581340 + ... + 10003453.

It is an arithmetic number, because the mean of its divisors is an integer number (3553934556249).

Almost surely, 2^{49865563156201} is an apocalyptic number.

It is an amenable number.

49865563156201 is a deficient number, since it is larger than the sum of its proper divisors (6997389743783).

49865563156201 is a wasteful number, since it uses less digits than its factorization.

49865563156201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10606140.

The product of its (nonzero) digits is 46656000, while the sum is 61.

The spelling of 49865563156201 in words is "forty-nine trillion, eight hundred sixty-five billion, five hundred sixty-three million, one hundred fifty-six thousand, two hundred one".