2152854779575 has 12 divisors (see below), whose sum is σ = 2670586473808. Its totient is φ = 1721608632000.

The previous prime is 2152854779539. The next prime is 2152854779591. The reversal of 2152854779575 is 5759774582512.

It is not a de Polignac number, because 2152854779575 - 2³¹ = 2150707295927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2152854779575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16814742 + ... + 16942291.

Almost surely, 2^{2152854779575} is an apocalyptic number.

2152854779575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2152854779575 is a deficient number, since it is larger than the sum of its proper divisors (517731694233).

2152854779575 is a wasteful number, since it uses less digits than its factorization.

2152854779575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33759594 (or 33759589 counting only the distinct ones).

The product of its digits is 246960000, while the sum is 67.

The spelling of 2152854779575 in words is "two trillion, one hundred fifty-two billion, eight hundred fifty-four million, seven hundred seventy-nine thousand, five hundred seventy-five".