263151113502 has 16 divisors (see below), whose sum is σ = 533511847440. Its totient is φ = 86515434432.

The previous prime is 263151113473. The next prime is 263151113521. The reversal of 263151113502 is 205311151362.

263151113502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 263151113502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300400377 + ... + 300401252.

It is an arithmetic number, because the mean of its divisors is an integer number (33344490465).

Almost surely, 2^263151113502 is an apocalyptic number.

263151113502 is an abundant number, since it is smaller than the sum of its proper divisors (270360733938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263151113502 is a wasteful number, since it uses less digits than its factorization.

263151113502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600801707.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 263151113502 its reverse (205311151362), we get a palindrome (468462264864).

The spelling of 263151113502 in words is "two hundred sixty-three billion, one hundred fifty-one million, one hundred thirteen thousand, five hundred two".