61534542333351 has 16 divisors (see below), whose sum is σ = 82155765896928. Its totient is φ = 40968175987200.

The previous prime is 61534542333259. The next prime is 61534542333527. The reversal of 61534542333351 is 15333324543516.

It is not a de Polignac number, because 61534542333351 - 2¹¹ = 61534542331303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61534542333351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61534542333151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106696075 + ... + 107271251.

It is an arithmetic number, because the mean of its divisors is an integer number (5134735368558).

Almost surely, 2^{61534542333351} is an apocalyptic number.

61534542333351 is a deficient number, since it is larger than the sum of its proper divisors (20621223563577).

61534542333351 is a wasteful number, since it uses less digits than its factorization.

61534542333351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622802.

The product of its digits is 5832000, while the sum is 48.

Adding to 61534542333351 its reverse (15333324543516), we get a palindrome (76867866876867).

The spelling of 61534542333351 in words is "sixty-one trillion, five hundred thirty-four billion, five hundred forty-two million, three hundred thirty-three thousand, three hundred fifty-one".