8711366123520 has 1120 divisors, whose sum is σ = 32062574269440. Its totient is φ = 2261951447040.

The previous prime is 8711366123479. The next prime is 8711366123563. The reversal of 8711366123520 is 253216631178.

It is a happy number.

8711366123520 is a `hidden beast` number, since 8 + 7 + 1 + 1 + 3 + 6 + 612 + 3 + 5 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 37387837324 + ... + 37387837556.

Almost surely, 2^{8711366123520} is an apocalyptic number.

8711366123520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8711366123520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16031287134720).

8711366123520 is an abundant number, since it is smaller than the sum of its proper divisors (23351208145920).

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

8711366123520 is a wasteful number, since it uses less digits than its factorization.

8711366123520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 8711366123520 in words is "eight trillion, seven hundred eleven billion, three hundred sixty-six million, one hundred twenty-three thousand, five hundred twenty".