255361132540500 has 288 divisors, whose sum is σ = 894845796848640. Its totient is φ = 56355559814400.

The previous prime is 255361132540487. The next prime is 255361132540519. The reversal of 255361132540500 is 5045231163552.

255361132540500 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57770244 + ... + 62033243.

It is an arithmetic number, because the mean of its divisors is an integer number (3107103461280).

Almost surely, 2^{255361132540500} is an apocalyptic number.

255361132540500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255361132540500 is an abundant number, since it is smaller than the sum of its proper divisors (639484664308140).

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

255361132540500 is a wasteful number, since it uses less digits than its factorization.

255361132540500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119803552 (or 119803533 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 255361132540500 in words is "two hundred fifty-five trillion, three hundred sixty-one billion, one hundred thirty-two million, five hundred forty thousand, five hundred".