11111403137 has 8 divisors (see below), whose sum is σ = 11153450112. Its totient is φ = 11069427600.

The previous prime is 11111403131. The next prime is 11111403139. The reversal of 11111403137 is 73130411111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111403137 - 2¹² = 11111399041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111403131) 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, 304712 + ... + 339222.

It is an arithmetic number, because the mean of its divisors is an integer number (1394181264).

Almost surely, 2^11111403137 is an apocalyptic number.

It is an amenable number.

11111403137 is a deficient number, since it is larger than the sum of its proper divisors (42046975).

11111403137 is an equidigital number, since it uses as much as digits as its factorization.

11111403137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35719.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 11111403137 its reverse (73130411111), we get a palindrome (84241814248).

The spelling of 11111403137 in words is "eleven billion, one hundred eleven million, four hundred three thousand, one hundred thirty-seven".