11140623616 has 18 divisors (see below), whose sum is σ = 22237729682. Its totient is φ = 5570311680.

The previous prime is 11140623581. The next prime is 11140623619. The reversal of 11140623616 is 61632604111.

It can be written as a sum of positive squares in only one way, i.e., 9197577216 + 1943046400 = 95904^2 + 44080^2 .

It is a super-2 number, since 2×11140623616² (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 (11140623619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21758775 + ... + 21759286.

Almost surely, 2^11140623616 is an apocalyptic number.

11140623616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11140623616 is a deficient number, since it is larger than the sum of its proper divisors (11097106066).

11140623616 is an frugal number, since it uses more digits than its factorization.

11140623616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43518077 (or 43518063 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 11140623616 in words is "eleven billion, one hundred forty million, six hundred twenty-three thousand, six hundred sixteen".