1652140251101 has 4 divisors (see below), whose sum is σ = 1749324971772. Its totient is φ = 1554955530432.

The previous prime is 1652140251037. The next prime is 1652140251107. The reversal of 1652140251101 is 1011520412561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1551731119225 + 100409131876 = 1245685^2 + 316874^2 .

It is a cyclic number.

It is not a de Polignac number, because 1652140251101 - 2⁶ = 1652140251037 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 (1652140251107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48592360310 + ... + 48592360343.

It is an arithmetic number, because the mean of its divisors is an integer number (437331242943).

Almost surely, 2^{1652140251101} is an apocalyptic number.

It is an amenable number.

1652140251101 is a deficient number, since it is larger than the sum of its proper divisors (97184720671).

1652140251101 is an equidigital number, since it uses as much as digits as its factorization.

1652140251101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97184720670.

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 1652140251101 its reverse (1011520412561), we get a palindrome (2663660663662).

The spelling of 1652140251101 in words is "one trillion, six hundred fifty-two billion, one hundred forty million, two hundred fifty-one thousand, one hundred one".