11721429160 has 48 divisors (see below), whose sum is σ = 30679051860. Its totient is φ = 4018775040.

The previous prime is 11721429113. The next prime is 11721429163. The reversal of 11721429160 is 6192412711.

It can be written as a sum of positive squares in 2 ways, for example, as 11092723684 + 628705476 = 105322^2 + 25074^2 .

It is not an unprimeable number, because it can be changed into a prime (11721429163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2988201 + ... + 2992120.

Almost surely, 2^11721429160 is an apocalyptic number.

11721429160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11721429160 is an abundant number, since it is smaller than the sum of its proper divisors (18957622700).

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

11721429160 is a wasteful number, since it uses less digits than its factorization.

11721429160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980346 (or 5980335 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 11721429160 in words is "eleven billion, seven hundred twenty-one million, four hundred twenty-nine thousand, one hundred sixty".