67115438351 has 16 divisors (see below), whose sum is σ = 77260236480. Its totient is φ = 57813761280.

The previous prime is 67115438317. The next prime is 67115438363. The reversal of 67115438351 is 15383451176.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 67115438351 - 2⁶ = 67115438287 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 (67115438651) 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, 2725136 + ... + 2749653.

It is an arithmetic number, because the mean of its divisors is an integer number (4828764780).

Almost surely, 2^67115438351 is an apocalyptic number.

67115438351 is a deficient number, since it is larger than the sum of its proper divisors (10144798129).

67115438351 is a wasteful number, since it uses less digits than its factorization.

67115438351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474866.

The product of its digits is 302400, while the sum is 44.

The spelling of 67115438351 in words is "sixty-seven billion, one hundred fifteen million, four hundred thirty-eight thousand, three hundred fifty-one".