354143501505 has 12 divisors (see below), whose sum is σ = 613848736020. Its totient is φ = 188876534112.

The previous prime is 354143501497. The next prime is 354143501567. The reversal of 354143501505 is 505105341453.

354143501505 is a `hidden beast` number, since 3 + 5 + 4 + 143 + 5 + 0 + 1 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 75625550001 + 278517951504 = 275001^2 + 527748^2 .

It is not a de Polignac number, because 354143501505 - 2³ = 354143501497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 354143501505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3934927750 + ... + 3934927839.

It is an arithmetic number, because the mean of its divisors is an integer number (51154061335).

Almost surely, 2^354143501505 is an apocalyptic number.

It is an amenable number.

354143501505 is a deficient number, since it is larger than the sum of its proper divisors (259705234515).

354143501505 is a wasteful number, since it uses less digits than its factorization.

354143501505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7869855600 (or 7869855597 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 354143501505 its reverse (505105341453), we get a palindrome (859248842958).

The spelling of 354143501505 in words is "three hundred fifty-four billion, one hundred forty-three million, five hundred one thousand, five hundred five".