56011005611000 has 64 divisors (see below), whose sum is σ = 142980821624160. Its totient is φ = 20367638400000.

The previous prime is 56011005610999. The next prime is 56011005611009. The reversal of 56011005611000 is 11650011065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56011005611009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2545943801 + ... + 2545965800.

Almost surely, 2^{56011005611000} is an apocalyptic number.

56011005611000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56011005611000 is an abundant number, since it is smaller than the sum of its proper divisors (86969816013160).

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

56011005611000 is a wasteful number, since it uses less digits than its factorization.

56011005611000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091909633 (or 5091909619 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 56011005611000 its reverse (11650011065), we get a palindrome (56022655622065).

The spelling of 56011005611000 in words is "fifty-six trillion, eleven billion, five million, six hundred eleven thousand".