11075437681 has 16 divisors (see below), whose sum is σ = 13818526848. Its totient is φ = 8623843200.

The previous prime is 11075437643. The next prime is 11075437741. The reversal of 11075437681 is 18673457011.

It is not a de Polignac number, because 11075437681 - 2⁷ = 11075437553 is a prime.

It is a super-2 number, since 2×11075437681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11075431681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53341 + ... + 158101.

It is an arithmetic number, because the mean of its divisors is an integer number (863657928).

Almost surely, 2^11075437681 is an apocalyptic number.

11075437681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11075437681 is a deficient number, since it is larger than the sum of its proper divisors (2743089167).

11075437681 is a wasteful number, since it uses less digits than its factorization.

11075437681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106152.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 11075437681 in words is "eleven billion, seventy-five million, four hundred thirty-seven thousand, six hundred eighty-one".