20151543341 has 4 divisors (see below), whose sum is σ = 20153961312. Its totient is φ = 20149125372.

The previous prime is 20151543323. The next prime is 20151543343. The reversal of 20151543341 is 14334515102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14334515102 = 2 ⋅7167257551.

It is a cyclic number.

It is not a de Polignac number, because 20151543341 - 2⁶ = 20151543277 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 (20151543343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196441 + ... + 1213166.

It is an arithmetic number, because the mean of its divisors is an integer number (5038490328).

Almost surely, 2^20151543341 is an apocalyptic number.

It is an amenable number.

20151543341 is a deficient number, since it is larger than the sum of its proper divisors (2417971).

20151543341 is an equidigital number, since it uses as much as digits as its factorization.

20151543341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417970.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 20151543341 in words is "twenty billion, one hundred fifty-one million, five hundred forty-three thousand, three hundred forty-one".