254641521512 has 16 divisors (see below), whose sum is σ = 545660403360. Its totient is φ = 109132080624.

The previous prime is 254641521503. The next prime is 254641521559. The reversal of 254641521512 is 215125146452.

It is a super-2 number, since 2×254641521512² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273584958 + ... + 2273585069.

It is an arithmetic number, because the mean of its divisors is an integer number (34103775210).

Almost surely, 2^254641521512 is an apocalyptic number.

It is an amenable number.

254641521512 is an abundant number, since it is smaller than the sum of its proper divisors (291018881848).

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

254641521512 is a wasteful number, since it uses less digits than its factorization.

254641521512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547170040 (or 4547170036 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

Adding to 254641521512 its reverse (215125146452), we get a palindrome (469766667964).

The spelling of 254641521512 in words is "two hundred fifty-four billion, six hundred forty-one million, five hundred twenty-one thousand, five hundred twelve".