11880409570 has 16 divisors (see below), whose sum is σ = 21404911608. Its totient is φ = 4747680640.

The previous prime is 11880409531. The next prime is 11880409571. The reversal of 11880409570 is 7590408811.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9488123649 + 2392285921 = 97407^2 + 48911^2 .

It is a super-2 number, since 2×11880409570² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11880409571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549259 + ... + 570478.

Almost surely, 2^11880409570 is an apocalyptic number.

11880409570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11880409570 is a deficient number, since it is larger than the sum of its proper divisors (9524502038).

11880409570 is a wasteful number, since it uses less digits than its factorization.

11880409570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120805.

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 11880409570 in words is "eleven billion, eight hundred eighty million, four hundred nine thousand, five hundred seventy".