11401081092 has 18 divisors (see below), whose sum is σ = 28819399518. Its totient is φ = 3800360352.

The previous prime is 11401081049. The next prime is 11401081151. The reversal of 11401081092 is 29018010411.

It can be written as a sum of positive squares in only one way, i.e., 6056886276 + 5344194816 = 77826^2 + 73104^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158348313 + ... + 158348384.

It is an arithmetic number, because the mean of its divisors is an integer number (1601077751).

Almost surely, 2^11401081092 is an apocalyptic number.

11401081092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11401081092 is an abundant number, since it is smaller than the sum of its proper divisors (17418318426).

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

11401081092 is a wasteful number, since it uses less digits than its factorization.

11401081092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316696707 (or 316696702 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 11401081092 in words is "eleven billion, four hundred one million, eighty-one thousand, ninety-two".