1115001151 has 8 divisors (see below), whose sum is σ = 1287915984. Its totient is φ = 954011520.

The previous prime is 1115001133. The next prime is 1115001241. The reversal of 1115001151 is 1511005111.

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

It is not a de Polignac number, because 1115001151 - 2⁵ = 1115001119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115001101) 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, 2981100 + ... + 2981473.

It is an arithmetic number, because the mean of its divisors is an integer number (160989498).

Almost surely, 2^1115001151 is an apocalyptic number.

1115001151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1115001151 is a deficient number, since it is larger than the sum of its proper divisors (172914833).

1115001151 is a wasteful number, since it uses less digits than its factorization.

1115001151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962601.

The product of its (nonzero) digits is 25, while the sum is 16.

The square root of 1115001151 is about 33391.6329489889. The cubic root of 1115001151 is about 1036.9514866302.

Adding to 1115001151 its reverse (1511005111), we get a palindrome (2626006262).

The spelling of 1115001151 in words is "one billion, one hundred fifteen million, one thousand, one hundred fifty-one".