11456309870 has 24 divisors (see below), whose sum is σ = 21017832696. Its totient is φ = 4496050208.

The previous prime is 11456309861. The next prime is 11456309897. The reversal of 11456309870 is 7890365411.

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 11 ways as a sum of consecutive naturals, for example, 175832 + ... + 232011.

It is an arithmetic number, because the mean of its divisors is an integer number (875743029).

Almost surely, 2^11456309870 is an apocalyptic number.

11456309870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11456309870 is a deficient number, since it is larger than the sum of its proper divisors (9561522826).

11456309870 is an equidigital number, since it uses as much as digits as its factorization.

11456309870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407956 (or 407903 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 11456309870 in words is "eleven billion, four hundred fifty-six million, three hundred nine thousand, eight hundred seventy".