11721277370 has 16 divisors (see below), whose sum is σ = 23016326688. Its totient is φ = 4262282640.

The previous prime is 11721277369. The next prime is 11721277409. The reversal of 11721277370 is 7377212711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53278424 + ... + 53278643.

It is an arithmetic number, because the mean of its divisors is an integer number (1438520418).

Almost surely, 2^11721277370 is an apocalyptic number.

11721277370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11721277370 is a deficient number, since it is larger than the sum of its proper divisors (11295049318).

11721277370 is a wasteful number, since it uses less digits than its factorization.

11721277370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106557085.

The product of its (nonzero) digits is 28812, while the sum is 38.

The spelling of 11721277370 in words is "eleven billion, seven hundred twenty-one million, two hundred seventy-seven thousand, three hundred seventy".