56711040000 has 220 divisors, whose sum is σ = 188890429464. Its totient is φ = 15122432000.

The previous prime is 56711039971. The next prime is 56711040017. The reversal of 56711040000 is 4011765.

It is a super-2 number, since 2×56711040000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1905232 + ... + 1934768.

Almost surely, 2^56711040000 is an apocalyptic number.

56711040000 is a gapful number since it is divisible by the number (50) 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 56711040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94445214732).

56711040000 is an abundant number, since it is smaller than the sum of its proper divisors (132179389464).

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

56711040000 is an equidigital number, since it uses as much as digits as its factorization.

56711040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29580 (or 29547 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 56711040000 its reverse (4011765), we get a palindrome (56715051765).

The spelling of 56711040000 in words is "fifty-six billion, seven hundred eleven million, forty thousand".