61028235256667 has 8 divisors (see below), whose sum is σ = 69779594176512. Its totient is φ = 52285136236200.

The previous prime is 61028235256621. The next prime is 61028235256717. The reversal of 61028235256667 is 76665253282016.

It is a happy number.

61028235256667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61028235256667 - 2¹⁴ = 61028235240283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61028235256607) 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 7 ways as a sum of consecutive naturals, for example, 2064959009 + ... + 2064988562.

It is an arithmetic number, because the mean of its divisors is an integer number (8722449272064).

Almost surely, 2^{61028235256667} is an apocalyptic number.

61028235256667 is a deficient number, since it is larger than the sum of its proper divisors (8751358919845).

61028235256667 is a wasteful number, since it uses less digits than its factorization.

61028235256667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129949689.

The product of its (nonzero) digits is 43545600, while the sum is 59.

The spelling of 61028235256667 in words is "sixty-one trillion, twenty-eight billion, two hundred thirty-five million, two hundred fifty-six thousand, six hundred sixty-seven".