12937155552 has 144 divisors (see below), whose sum is σ = 38853779328. Its totient is φ = 4075019520.

The previous prime is 12937155551. The next prime is 12937155593. The reversal of 12937155552 is 25555173921.

12937155552 is a `hidden beast` number, since 1 + 2 + 93 + 7 + 1 + 5 + 5 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 12937155498 and 12937155507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12937155551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538027 + ... + 561557.

It is an arithmetic number, because the mean of its divisors is an integer number (269817912).

Almost surely, 2^12937155552 is an apocalyptic number.

12937155552 is a gapful number since it is divisible by the number (12) 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 12937155552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19426889664).

12937155552 is an abundant number, since it is smaller than the sum of its proper divisors (25916623776).

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

12937155552 is a wasteful number, since it uses less digits than its factorization.

12937155552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23653 (or 23642 counting only the distinct ones).

The product of its digits is 472500, while the sum is 45.

The spelling of 12937155552 in words is "twelve billion, nine hundred thirty-seven million, one hundred fifty-five thousand, five hundred fifty-two".