11431500202426 has 32 divisors (see below), whose sum is σ = 18772463480832. Its totient is φ = 5197419406080.

The previous prime is 11431500202393. The next prime is 11431500202487. The reversal of 11431500202426 is 62420200513411.

It is a Harshad number since it is a multiple of its sum of digits (31).

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 15 ways as a sum of consecutive naturals, for example, 8294181 + ... + 9573736.

It is an arithmetic number, because the mean of its divisors is an integer number (586639483776).

Almost surely, 2^{11431500202426} is an apocalyptic number.

11431500202426 is a deficient number, since it is larger than the sum of its proper divisors (7340963278406).

11431500202426 is a wasteful number, since it uses less digits than its factorization.

11431500202426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17868574.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 11431500202426 its reverse (62420200513411), we get a palindrome (73851700715837).

The spelling of 11431500202426 in words is "eleven trillion, four hundred thirty-one billion, five hundred million, two hundred two thousand, four hundred twenty-six".