11402240311 has 12 divisors (see below), whose sum is σ = 14323476496. Its totient is φ = 8884861920.

The previous prime is 11402240303. The next prime is 11402240327. The reversal of 11402240311 is 11304220411.

It is not a de Polignac number, because 11402240311 - 2³ = 11402240303 is a prime.

It is a super-2 number, since 2×11402240311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402240371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6730110 + ... + 6731803.

Almost surely, 2^11402240311 is an apocalyptic number.

11402240311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11402240311 is a deficient number, since it is larger than the sum of its proper divisors (2921236185).

11402240311 is a wasteful number, since it uses less digits than its factorization.

11402240311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13461942 (or 13461931 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11402240311 its reverse (11304220411), we get a palindrome (22706460722).

The spelling of 11402240311 in words is "eleven billion, four hundred two million, two hundred forty thousand, three hundred eleven".