11540002031 has 2 divisors, whose sum is σ = 11540002032. Its totient is φ = 11540002030.

The previous prime is 11540002009. The next prime is 11540002057. The reversal of 11540002031 is 13020004511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11540002031 - 2²² = 11535807727 is a prime.

It is a super-2 number, since 2×11540002031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11540002091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5770001015 + 5770001016.

It is an arithmetic number, because the mean of its divisors is an integer number (5770001016).

Almost surely, 2^11540002031 is an apocalyptic number.

11540002031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11540002031 is an equidigital number, since it uses as much as digits as its factorization.

11540002031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 11540002031 its reverse (13020004511), we get a palindrome (24560006542).

The spelling of 11540002031 in words is "eleven billion, five hundred forty million, two thousand, thirty-one".