56046661231000 has 128 divisors (see below), whose sum is σ = 143183738880000. Its totient is φ = 20364664176000.

The previous prime is 56046661230979. The next prime is 56046661231037. The reversal of 56046661231000 is 13216664065.

It is a super-2 number, since 2×56046661231000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12077151 + ... + 16060849.

It is an arithmetic number, because the mean of its divisors is an integer number (1118622960000).

Almost surely, 2^{56046661231000} is an apocalyptic number.

56046661231000 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 56046661231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71591869440000).

56046661231000 is an abundant number, since it is smaller than the sum of its proper divisors (87137077649000).

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

56046661231000 is a wasteful number, since it uses less digits than its factorization.

56046661231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985010 (or 3984996 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

Adding to 56046661231000 its reverse (13216664065), we get a palindrome (56059877895065).

The spelling of 56046661231000 in words is "fifty-six trillion, forty-six billion, six hundred sixty-one million, two hundred thirty-one thousand".