1151639115 has 64 divisors (see below), whose sum is σ = 2165391360. Its totient is φ = 516620160.

The previous prime is 1151639101. The next prime is 1151639129. The reversal of 1151639115 is 5119361511.

1151639115 is nontrivially palindromic in base 7.

It is an interprime number because it is at equal distance from previous prime (1151639101) and next prime (1151639129).

It is not a de Polignac number, because 1151639115 - 2¹⁰ = 1151638091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130534 + ... + 139076.

It is an arithmetic number, because the mean of its divisors is an integer number (33834240).

Almost surely, 2^1151639115 is an apocalyptic number.

1151639115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1151639115 is a deficient number, since it is larger than the sum of its proper divisors (1013752245).

1151639115 is a wasteful number, since it uses less digits than its factorization.

1151639115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8624.

The product of its digits is 4050, while the sum is 33.

The square root of 1151639115 is about 33935.8087423889. The cubic root of 1151639115 is about 1048.1870802487.

The spelling of 1151639115 in words is "one billion, one hundred fifty-one million, six hundred thirty-nine thousand, one hundred fifteen".