352140021117 has 6 divisors (see below), whose sum is σ = 508646697182. Its totient is φ = 234760014072.

The previous prime is 352140021083. The next prime is 352140021143. The reversal of 352140021117 is 711120041253.

352140021117 is a `hidden beast` number, since 3 + 521 + 4 + 0 + 0 + 21 + 117 = 666.

It can be written as a sum of positive squares in only one way, i.e., 336499767396 + 15640253721 = 580086^2 + 125061^2 .

It is not a de Polignac number, because 352140021117 - 2¹⁵ = 352139988349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352140021157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19563334498 + ... + 19563334515.

Almost surely, 2^352140021117 is an apocalyptic number.

It is an amenable number.

352140021117 is a deficient number, since it is larger than the sum of its proper divisors (156506676065).

352140021117 is a wasteful number, since it uses less digits than its factorization.

352140021117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39126669019 (or 39126669016 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The spelling of 352140021117 in words is "three hundred fifty-two billion, one hundred forty million, twenty-one thousand, one hundred seventeen".