11038881546 has 144 divisors (see below), whose sum is σ = 30267182400. Its totient is φ = 2846067840.

The previous prime is 11038881527. The next prime is 11038881547. The reversal of 11038881546 is 64518883011.

11038881546 is a `hidden beast` number, since 110 + 388 + 8 + 154 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (11038881547) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2116590 + ... + 2121798.

Almost surely, 2^11038881546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11038881546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15133591200).

11038881546 is an abundant number, since it is smaller than the sum of its proper divisors (19228300854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11038881546 is a wasteful number, since it uses less digits than its factorization.

11038881546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385 (or 5371 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 11038881546 in words is "eleven billion, thirty-eight million, eight hundred eighty-one thousand, five hundred forty-six".