1158158103 has 8 divisors (see below), whose sum is σ = 1552838400. Its totient is φ = 767791608.

The previous prime is 1158158083. The next prime is 1158158137. The reversal of 1158158103 is 3018518511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1158158103 - 2¹³ = 1158149911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158158803) 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, 1077823 + ... + 1078896.

It is an arithmetic number, because the mean of its divisors is an integer number (194104800).

Almost surely, 2^1158158103 is an apocalyptic number.

1158158103 is a deficient number, since it is larger than the sum of its proper divisors (394680297).

1158158103 is a wasteful number, since it uses less digits than its factorization.

1158158103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156901.

The product of its (nonzero) digits is 4800, while the sum is 33.

The square root of 1158158103 is about 34031.7220105007. The cubic root of 1158158103 is about 1050.1611553098.

The spelling of 1158158103 in words is "one billion, one hundred fifty-eight million, one hundred fifty-eight thousand, one hundred three".