1118558152 has 8 divisors (see below), whose sum is σ = 2097296550. Its totient is φ = 559279072.

The previous prime is 1118558131. The next prime is 1118558153. The reversal of 1118558152 is 2518558111.

It can be written as a sum of positive squares in only one way, i.e., 956912356 + 161645796 = 30934^2 + 12714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1118558153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69909877 + ... + 69909892.

Almost surely, 2^1118558152 is an apocalyptic number.

It is an amenable number.

1118558152 is a deficient number, since it is larger than the sum of its proper divisors (978738398).

1118558152 is a wasteful number, since it uses less digits than its factorization.

1118558152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139819775 (or 139819771 counting only the distinct ones).

The product of its digits is 16000, while the sum is 37.

The square root of 1118558152 is about 33444.8523991361. The cubic root of 1118558152 is about 1038.0529869014.

The spelling of 1118558152 in words is "one billion, one hundred eighteen million, five hundred fifty-eight thousand, one hundred fifty-two".