131556022560 has 192 divisors, whose sum is σ = 465994892160. Its totient is φ = 34658841600.

The previous prime is 131556022531. The next prime is 131556022579. The reversal of 131556022560 is 65220655131.

131556022560 is a `hidden beast` number, since 1 + 3 + 15 + 5 + 60 + 22 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 175110 + ... + 542010.

It is an arithmetic number, because the mean of its divisors is an integer number (2427056730).

Almost surely, 2^131556022560 is an apocalyptic number.

131556022560 is a gapful number since it is divisible by the number (10) 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 131556022560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232997446080).

131556022560 is an abundant number, since it is smaller than the sum of its proper divisors (334438869600).

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

131556022560 is a wasteful number, since it uses less digits than its factorization.

131556022560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367008 (or 366994 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 131556022560 its reverse (65220655131), we get a palindrome (196776677691).

The spelling of 131556022560 in words is "one hundred thirty-one billion, five hundred fifty-six million, twenty-two thousand, five hundred sixty".