67513253755 has 16 divisors (see below), whose sum is σ = 85378821120. Its totient is φ = 51108586848.

The previous prime is 67513253659. The next prime is 67513253761. The reversal of 67513253755 is 55735231576.

It is a cyclic number.

It is not a de Polignac number, because 67513253755 - 2³³ = 58923319163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67513253699 and 67513253708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329757 + ... + 493726.

It is an arithmetic number, because the mean of its divisors is an integer number (5336176320).

Almost surely, 2^67513253755 is an apocalyptic number.

67513253755 is a deficient number, since it is larger than the sum of its proper divisors (17865567365).

67513253755 is a wasteful number, since it uses less digits than its factorization.

67513253755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824370.

The product of its digits is 3307500, while the sum is 49.

The spelling of 67513253755 in words is "sixty-seven billion, five hundred thirteen million, two hundred fifty-three thousand, seven hundred fifty-five".