254131520512 has 44 divisors (see below), whose sum is σ = 530102517696. Its totient is φ = 121541150720.

The previous prime is 254131520509. The next prime is 254131520519. The reversal of 254131520512 is 215025131452.

It is not an unprimeable number, because it can be changed into a prime (254131520519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5371564 + ... + 5418667.

Almost surely, 2^254131520512 is an apocalyptic number.

It is an amenable number.

254131520512 is an abundant number, since it is smaller than the sum of its proper divisors (275970997184).

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

254131520512 is a wasteful number, since it uses less digits than its factorization.

254131520512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790274 (or 10790256 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 254131520512 its reverse (215025131452), we get a palindrome (469156651964).

The spelling of 254131520512 in words is "two hundred fifty-four billion, one hundred thirty-one million, five hundred twenty thousand, five hundred twelve".