11424731620072 has 8 divisors (see below), whose sum is σ = 21421371787650. Its totient is φ = 5712365810032.

The previous prime is 11424731620051. The next prime is 11424731620073. The reversal of 11424731620072 is 27002613742411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6814323901476 + 4610407718596 = 2610426^2 + 2147186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11424731620073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714045726247 + ... + 714045726262.

Almost surely, 2^{11424731620072} is an apocalyptic number.

It is an amenable number.

11424731620072 is a deficient number, since it is larger than the sum of its proper divisors (9996640167578).

11424731620072 is a wasteful number, since it uses less digits than its factorization.

11424731620072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428091452515 (or 1428091452511 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 11424731620072 in words is "eleven trillion, four hundred twenty-four billion, seven hundred thirty-one million, six hundred twenty thousand, seventy-two".