56061105510 has 64 divisors (see below), whose sum is σ = 140773552128. Its totient is φ = 14261241984.

The previous prime is 56061105491. The next prime is 56061105523. The reversal of 56061105510 is 1550116065.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 148459 + ... + 366281.

It is an arithmetic number, because the mean of its divisors is an integer number (2199586752).

Almost surely, 2^56061105510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56061105510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70386776064).

56061105510 is an abundant number, since it is smaller than the sum of its proper divisors (84712446618).

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

56061105510 is a wasteful number, since it uses less digits than its factorization.

56061105510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218229.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 56061105510 in words is "fifty-six billion, sixty-one million, one hundred five thousand, five hundred ten".