402113111502 has 16 divisors (see below), whose sum is σ = 806083563600. Its totient is φ = 133728147072.

The previous prime is 402113111471. The next prime is 402113111509. The reversal of 402113111502 is 205111311204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402113111509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77386377 + ... + 77391572.

It is an arithmetic number, because the mean of its divisors is an integer number (50380222725).

Almost surely, 2^402113111502 is an apocalyptic number.

402113111502 is an abundant number, since it is smaller than the sum of its proper divisors (403970452098).

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

402113111502 is a wasteful number, since it uses less digits than its factorization.

402113111502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154778387.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 402113111502 its reverse (205111311204), we get a palindrome (607224422706).

The spelling of 402113111502 in words is "four hundred two billion, one hundred thirteen million, one hundred eleven thousand, five hundred two".