27154131312 has 80 divisors (see below), whose sum is σ = 87457473792. Its totient is φ = 7053020160.

The previous prime is 27154131293. The next prime is 27154131337. The reversal of 27154131312 is 21313145172.

It is a self number, because there is not a number n which added to its sum of digits gives 27154131312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3669753 + ... + 3677144.

Almost surely, 2^27154131312 is an apocalyptic number.

27154131312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27154131312 is an abundant number, since it is smaller than the sum of its proper divisors (60303342480).

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

27154131312 is a wasteful number, since it uses less digits than its factorization.

27154131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7346926 (or 7346920 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

Adding to 27154131312 its reverse (21313145172), we get a palindrome (48467276484).

The spelling of 27154131312 in words is "twenty-seven billion, one hundred fifty-four million, one hundred thirty-one thousand, three hundred twelve".