2152858305499 has 8 divisors (see below), whose sum is σ = 2348589051648. Its totient is φ = 1957130285160.

The previous prime is 2152858305427. The next prime is 2152858305539. The reversal of 2152858305499 is 9945038582512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2152858305499 - 2²⁵ = 2152824751067 is a prime.

It is a super-2 number, since 2×2152858305499² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152858300499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194514 + ... + 2394280.

It is an arithmetic number, because the mean of its divisors is an integer number (293573631456).

Almost surely, 2^{2152858305499} is an apocalyptic number.

2152858305499 is a deficient number, since it is larger than the sum of its proper divisors (195730746149).

2152858305499 is a wasteful number, since it uses less digits than its factorization.

2152858305499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362905.

The product of its (nonzero) digits is 31104000, while the sum is 61.

The spelling of 2152858305499 in words is "two trillion, one hundred fifty-two billion, eight hundred fifty-eight million, three hundred five thousand, four hundred ninety-nine".