11724136344172 has 48 divisors (see below), whose sum is σ = 24683219491840. Its totient is φ = 4760016129792.

The previous prime is 11724136344157. The next prime is 11724136344187. The reversal of 11724136344172 is 27144363142711.

It is an interprime number because it is at equal distance from previous prime (11724136344157) and next prime (11724136344187).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16219693 + ... + 16927099.

Almost surely, 2^{11724136344172} is an apocalyptic number.

It is an amenable number.

11724136344172 is an abundant number, since it is smaller than the sum of its proper divisors (12959083147668).

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

11724136344172 is a wasteful number, since it uses less digits than its factorization.

11724136344172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738590 (or 738588 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

Adding to 11724136344172 its reverse (27144363142711), we get a palindrome (38868499486883).

The spelling of 11724136344172 in words is "eleven trillion, seven hundred twenty-four billion, one hundred thirty-six million, three hundred forty-four thousand, one hundred seventy-two".