1158275604879 has 32 divisors (see below), whose sum is σ = 1807243622400. Its totient is φ = 731151308160.

The previous prime is 1158275604851. The next prime is 1158275604979. The reversal of 1158275604879 is 9784065728511.

1158275604879 is a `hidden beast` number, since 1 + 1 + 5 + 8 + 27 + 560 + 48 + 7 + 9 = 666.

It is not a de Polignac number, because 1158275604879 - 2¹¹ = 1158275602831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158275604379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358114 + ... + 1563584.

It is an arithmetic number, because the mean of its divisors is an integer number (56476363200).

Almost surely, 2^{1158275604879} is an apocalyptic number.

1158275604879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1158275604879 is a deficient number, since it is larger than the sum of its proper divisors (648968017521).

1158275604879 is a wasteful number, since it uses less digits than its factorization.

1158275604879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207372 (or 1207366 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 63.

The spelling of 1158275604879 in words is "one trillion, one hundred fifty-eight billion, two hundred seventy-five million, six hundred four thousand, eight hundred seventy-nine".