68150713955 has 4 divisors (see below), whose sum is σ = 81780856752. Its totient is φ = 54520571160.

The previous prime is 68150713949. The next prime is 68150713957. The reversal of 68150713955 is 55931705186.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68150713955 - 2¹² = 68150709859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68150713957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6815071391 + ... + 6815071400.

It is an arithmetic number, because the mean of its divisors is an integer number (20445214188).

Almost surely, 2^68150713955 is an apocalyptic number.

68150713955 is a deficient number, since it is larger than the sum of its proper divisors (13630142797).

68150713955 is a wasteful number, since it uses less digits than its factorization.

68150713955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13630142796.

The product of its (nonzero) digits is 1134000, while the sum is 50.

The spelling of 68150713955 in words is "sixty-eight billion, one hundred fifty million, seven hundred thirteen thousand, nine hundred fifty-five".