11080528381 has 16 divisors (see below), whose sum is σ = 12257328384. Its totient is φ = 9952599744.

The previous prime is 11080528373. The next prime is 11080528397. The reversal of 11080528381 is 18382508011.

It is a cyclic number.

It is not a de Polignac number, because 11080528381 - 2³ = 11080528373 is a prime.

It is a super-2 number, since 2×11080528381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11080528381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11080508381) 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, 53290 + ... + 158116.

It is an arithmetic number, because the mean of its divisors is an integer number (766083024).

Almost surely, 2^11080528381 is an apocalyptic number.

It is an amenable number.

11080528381 is a deficient number, since it is larger than the sum of its proper divisors (1176800003).

11080528381 is a wasteful number, since it uses less digits than its factorization.

11080528381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105060.

The product of its (nonzero) digits is 15360, while the sum is 37.

The spelling of 11080528381 in words is "eleven billion, eighty million, five hundred twenty-eight thousand, three hundred eighty-one".