11734215720 has 32 divisors (see below), whose sum is σ = 35202647520. Its totient is φ = 3129124160.

The previous prime is 11734215709. The next prime is 11734215749. The reversal of 11734215720 is 2751243711.

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, 48892446 + ... + 48892685.

It is an arithmetic number, because the mean of its divisors is an integer number (1100082735).

Almost surely, 2^11734215720 is an apocalyptic number.

11734215720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11734215720 is an abundant number, since it is smaller than the sum of its proper divisors (23468431800).

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

11734215720 is a wasteful number, since it uses less digits than its factorization.

11734215720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97785145 (or 97785141 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 11734215720 in words is "eleven billion, seven hundred thirty-four million, two hundred fifteen thousand, seven hundred twenty".