11148164981 has 8 divisors (see below), whose sum is σ = 11183870880. Its totient is φ = 11112503248.

The previous prime is 11148164977. The next prime is 11148164999. The reversal of 11148164981 is 18946184111.

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

It is a cyclic number.

It is not a de Polignac number, because 11148164981 - 2² = 11148164977 is a prime.

It is a super-2 number, since 2×11148164981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11148164581) 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, 537455 + ... + 557811.

It is an arithmetic number, because the mean of its divisors is an integer number (1397983860).

Almost surely, 2^11148164981 is an apocalyptic number.

It is an amenable number.

11148164981 is a deficient number, since it is larger than the sum of its proper divisors (35705899).

11148164981 is a wasteful number, since it uses less digits than its factorization.

11148164981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22083.

The product of its digits is 55296, while the sum is 44.

The spelling of 11148164981 in words is "eleven billion, one hundred forty-eight million, one hundred sixty-four thousand, nine hundred eighty-one".