11124139081 has 8 divisors (see below), whose sum is σ = 12150397728. Its totient is φ = 10100376000.

The previous prime is 11124139069. The next prime is 11124139093. The reversal of 11124139081 is 18093142111.

It is an interprime number because it is at equal distance from previous prime (11124139069) and next prime (11124139093).

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

It is not a de Polignac number, because 11124139081 - 2⁵ = 11124139049 is a prime.

It is a super-2 number, since 2×11124139081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11124139021) 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, 614560 + ... + 632401.

It is an arithmetic number, because the mean of its divisors is an integer number (1518799716).

Almost surely, 2^11124139081 is an apocalyptic number.

11124139081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11124139081 is a deficient number, since it is larger than the sum of its proper divisors (1026258647).

11124139081 is a wasteful number, since it uses less digits than its factorization.

11124139081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247783.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 11124139081 in words is "eleven billion, one hundred twenty-four million, one hundred thirty-nine thousand, eighty-one".