11348875281 has 8 divisors (see below), whose sum is σ = 15619957504. Its totient is φ = 7321854960.

The previous prime is 11348875259. The next prime is 11348875301. The reversal of 11348875281 is 18257884311.

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

It is not a de Polignac number, because 11348875281 - 2⁶ = 11348875217 is a prime.

It is a super-2 number, since 2×11348875281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11348875281.

It is not an unprimeable number, because it can be changed into a prime (11348879281) 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, 61015366 + ... + 61015551.

It is an arithmetic number, because the mean of its divisors is an integer number (1952494688).

Almost surely, 2^11348875281 is an apocalyptic number.

It is an amenable number.

11348875281 is a deficient number, since it is larger than the sum of its proper divisors (4271082223).

11348875281 is a wasteful number, since it uses less digits than its factorization.

11348875281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122030951.

The product of its digits is 430080, while the sum is 48.

The spelling of 11348875281 in words is "eleven billion, three hundred forty-eight million, eight hundred seventy-five thousand, two hundred eighty-one".