1158100749 has 24 divisors (see below), whose sum is σ = 1896308960. Its totient is φ = 675166752.

The previous prime is 1158100747. The next prime is 1158100817. The reversal of 1158100749 is 9470018511.

1158100749 is a `hidden beast` number, since 1 + 1 + 581 + 0 + 0 + 74 + 9 = 666.

It is not a de Polignac number, because 1158100749 - 2¹ = 1158100747 is a prime.

It is a super-2 number, since 2×1158100749² = 2682394689668722002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158100747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258259 + ... + 262704.

Almost surely, 2^1158100749 is an apocalyptic number.

1158100749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1158100749 is a deficient number, since it is larger than the sum of its proper divisors (738208211).

1158100749 is a wasteful number, since it uses less digits than its factorization.

1158100749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521001 (or 520998 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 1158100749 is about 34030.8793450889. The cubic root of 1158100749 is about 1050.1438197557.

The spelling of 1158100749 in words is "one billion, one hundred fifty-eight million, one hundred thousand, seven hundred forty-nine".