1158361764550 has 48 divisors (see below), whose sum is σ = 2199404787120. Its totient is φ = 453732589440.

The previous prime is 1158361764533. The next prime is 1158361764551. The reversal of 1158361764550 is 554671638511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158361764551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 968056 + ... + 1803844.

It is an arithmetic number, because the mean of its divisors is an integer number (45820933065).

Almost surely, 2^{1158361764550} is an apocalyptic number.

1158361764550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1158361764550 is a deficient number, since it is larger than the sum of its proper divisors (1041043022570).

1158361764550 is a wasteful number, since it uses less digits than its factorization.

1158361764550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836377 (or 836372 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 1158361764550 in words is "one trillion, one hundred fifty-eight billion, three hundred sixty-one million, seven hundred sixty-four thousand, five hundred fifty".