205135453431500 has 48 divisors (see below), whose sum is σ = 448133024067456. Its totient is φ = 82032717312000.

The previous prime is 205135453431487. The next prime is 205135453431527. The reversal of 205135453431500 is 5134354531502.

205135453431500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 51746741 + ... + 55569740.

It is an arithmetic number, because the mean of its divisors is an integer number (9336104668072).

Almost surely, 2^{205135453431500} is an apocalyptic number.

205135453431500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205135453431500 is an abundant number, since it is smaller than the sum of its proper divisors (242997570635956).

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

205135453431500 is a wasteful number, since it uses less digits than its factorization.

205135453431500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107320323 (or 107320311 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 205135453431500 in words is "two hundred five trillion, one hundred thirty-five billion, four hundred fifty-three million, four hundred thirty-one thousand, five hundred".