1505560056156 has 144 divisors (see below), whose sum is σ = 4177485748800. Its totient is φ = 454361149440.

The previous prime is 1505560056151. The next prime is 1505560056163. The reversal of 1505560056156 is 6516500655051.

It is a super-2 number, since 2×1505560056156² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1505560056151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10002745 + ... + 10152143.

It is an arithmetic number, because the mean of its divisors is an integer number (29010317700).

Almost surely, 2^{1505560056156} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1505560056156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2088742874400).

1505560056156 is an abundant number, since it is smaller than the sum of its proper divisors (2671925692644).

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

1505560056156 is a wasteful number, since it uses less digits than its factorization.

1505560056156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149836 (or 149831 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 1505560056156 in words is "one trillion, five hundred five billion, five hundred sixty million, fifty-six thousand, one hundred fifty-six".