1652126421131 has 4 divisors (see below), whose sum is σ = 1652132664192. Its totient is φ = 1652120178072.

The previous prime is 1652126421103. The next prime is 1652126421133. The reversal of 1652126421131 is 1311246212561.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1652126421131 is a prime.

It is a super-2 number, since 2×1652126421131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1652126421091 and 1652126421100.

It is not an unprimeable number, because it can be changed into a prime (1652126421133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2706155 + ... + 3259988.

It is an arithmetic number, because the mean of its divisors is an integer number (413033166048).

Almost surely, 2^{1652126421131} is an apocalyptic number.

1652126421131 is a deficient number, since it is larger than the sum of its proper divisors (6243061).

1652126421131 is an equidigital number, since it uses as much as digits as its factorization.

1652126421131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243060.

The product of its digits is 17280, while the sum is 35.

The spelling of 1652126421131 in words is "one trillion, six hundred fifty-two billion, one hundred twenty-six million, four hundred twenty-one thousand, one hundred thirty-one".