11731417012 has 12 divisors (see below), whose sum is σ = 23462834080. Its totient is φ = 5027750136.

The previous prime is 11731417003. The next prime is 11731417037. The reversal of 11731417012 is 21071413711.

11731417012 is an admirable number.

It is a super-2 number, since 2×11731417012² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 418979179 = 11731417012 / (1 + 1 + 7 + 3 + 1 + 4 + 1 + 7 + 0 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209489562 + ... + 209489617.

Almost surely, 2^11731417012 is an apocalyptic number.

It is an amenable number.

11731417012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11731417012 is a wasteful number, since it uses less digits than its factorization.

11731417012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418979190 (or 418979188 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 28.

The spelling of 11731417012 in words is "eleven billion, seven hundred thirty-one million, four hundred seventeen thousand, twelve".