11071347440 has 40 divisors (see below), whose sum is σ = 26571239808. Its totient is φ = 4285681920.

The previous prime is 11071347433. The next prime is 11071347457. The reversal of 11071347440 is 4474317011.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 11071347397 and 11071347406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229647 + ... + 2234606.

Almost surely, 2^11071347440 is an apocalyptic number.

11071347440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11071347440 is an abundant number, since it is smaller than the sum of its proper divisors (15499892368).

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

11071347440 is a wasteful number, since it uses less digits than its factorization.

11071347440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464297 (or 4464291 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 11071347440 in words is "eleven billion, seventy-one million, three hundred forty-seven thousand, four hundred forty".