255105153221532 has 24 divisors (see below), whose sum is σ = 595298301472896. Its totient is φ = 85027487651568.

The previous prime is 255105153221461. The next prime is 255105153221543. The reversal of 255105153221532 is 235122351501552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945287248 + ... + 945557079.

It is an arithmetic number, because the mean of its divisors is an integer number (24804095894704).

Almost surely, 2^{255105153221532} is an apocalyptic number.

It is an amenable number.

255105153221532 is an abundant number, since it is smaller than the sum of its proper divisors (340193148251364).

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

255105153221532 is a wasteful number, since it uses less digits than its factorization.

255105153221532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890855577 (or 1890855575 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 255105153221532 in words is "two hundred fifty-five trillion, one hundred five billion, one hundred fifty-three million, two hundred twenty-one thousand, five hundred thirty-two".