61543023533151 has 8 divisors (see below), whose sum is σ = 83605616875440. Its totient is φ = 40254556273152.

The previous prime is 61543023533137. The next prime is 61543023533213. The reversal of 61543023533151 is 15133532034516.

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

It is not a de Polignac number, because 61543023533151 - 2⁷ = 61543023533023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61543023573151) 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, 193531520386 + ... + 193531520703.

It is an arithmetic number, because the mean of its divisors is an integer number (10450702109430).

Almost surely, 2^{61543023533151} is an apocalyptic number.

61543023533151 is a deficient number, since it is larger than the sum of its proper divisors (22062593342289).

61543023533151 is a wasteful number, since it uses less digits than its factorization.

61543023533151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387063041145.

The product of its (nonzero) digits is 486000, while the sum is 42.

Adding to 61543023533151 its reverse (15133532034516), we get a palindrome (76676555567667).

The spelling of 61543023533151 in words is "sixty-one trillion, five hundred forty-three billion, twenty-three million, five hundred thirty-three thousand, one hundred fifty-one".