20315111413263 has 32 divisors (see below), whose sum is σ = 27379557100800. Its totient is φ = 13397283648000.

The previous prime is 20315111413241. The next prime is 20315111413277. The reversal of 20315111413263 is 36231411151302.

It is not a de Polignac number, because 20315111413263 - 2⁹ = 20315111412751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315111413463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1942351728 + ... + 1942362186.

It is an arithmetic number, because the mean of its divisors is an integer number (855611159400).

Almost surely, 2^{20315111413263} is an apocalyptic number.

20315111413263 is a deficient number, since it is larger than the sum of its proper divisors (7064445687537).

20315111413263 is a wasteful number, since it uses less digits than its factorization.

20315111413263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15703.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 20315111413263 its reverse (36231411151302), we get a palindrome (56546522564565).

The spelling of 20315111413263 in words is "twenty trillion, three hundred fifteen billion, one hundred eleven million, four hundred thirteen thousand, two hundred sixty-three".