27425157312 has 168 divisors, whose sum is σ = 88079982336. Its totient is φ = 7495014912.

The previous prime is 27425157307. The next prime is 27425157313. The reversal of 27425157312 is 21375152472.

It is a tau number, because it is divible by the number of its divisors (168).

It is not an unprimeable number, because it can be changed into a prime (27425157313) 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, 153013 + ... + 279755.

Almost surely, 2^27425157312 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 27425157312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44039991168).

27425157312 is an abundant number, since it is smaller than the sum of its proper divisors (60654825024).

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

27425157312 is a wasteful number, since it uses less digits than its factorization.

27425157312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126795 (or 126778 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The spelling of 27425157312 in words is "twenty-seven billion, four hundred twenty-five million, one hundred fifty-seven thousand, three hundred twelve".