1158768552938 has 4 divisors (see below), whose sum is σ = 1738152829410. Its totient is φ = 579384276468.

The previous prime is 1158768552937. The next prime is 1158768552941. The reversal of 1158768552938 is 8392558678511.

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

It can be written as a sum of positive squares in only one way, i.e., 591694793089 + 567073759849 = 769217^2 + 753043^2 .

It is not an unprimeable number, because it can be changed into a prime (1158768552937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289692138233 + ... + 289692138236.

Almost surely, 2^{1158768552938} is an apocalyptic number.

1158768552938 is a deficient number, since it is larger than the sum of its proper divisors (579384276472).

1158768552938 is an equidigital number, since it uses as much as digits as its factorization.

1158768552938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579384276471.

The product of its digits is 145152000, while the sum is 68.

The spelling of 1158768552938 in words is "one trillion, one hundred fifty-eight billion, seven hundred sixty-eight million, five hundred fifty-two thousand, nine hundred thirty-eight".