67115551252 has 24 divisors (see below), whose sum is σ = 117781737192. Its totient is φ = 33463680000.

The previous prime is 67115551247. The next prime is 67115551253. The reversal of 67115551252 is 25215551176.

It can be written as a sum of positive squares in 4 ways, for example, as 60100483716 + 7015067536 = 245154^2 + 83756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67115551253) 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, 9301198 + ... + 9308410.

It is an arithmetic number, because the mean of its divisors is an integer number (4907572383).

Almost surely, 2^67115551252 is an apocalyptic number.

It is an amenable number.

67115551252 is a deficient number, since it is larger than the sum of its proper divisors (50666185940).

67115551252 is a wasteful number, since it uses less digits than its factorization.

67115551252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13419 (or 13417 counting only the distinct ones).

The product of its digits is 105000, while the sum is 40.

The spelling of 67115551252 in words is "sixty-seven billion, one hundred fifteen million, five hundred fifty-one thousand, two hundred fifty-two".