1155001715 has 16 divisors (see below), whose sum is σ = 1620841728. Its totient is φ = 773581536.

The previous prime is 1155001711. The next prime is 1155001739. The reversal of 1155001715 is 5171005511.

It is not a de Polignac number, because 1155001715 - 2² = 1155001711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155001711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382217 + ... + 385226.

It is an arithmetic number, because the mean of its divisors is an integer number (101302608).

Almost surely, 2^1155001715 is an apocalyptic number.

1155001715 is a deficient number, since it is larger than the sum of its proper divisors (465840013).

1155001715 is an equidigital number, since it uses as much as digits as its factorization.

1155001715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767498.

The product of its (nonzero) digits is 875, while the sum is 26.

The square root of 1155001715 is about 33985.3161674274. The cubic root of 1155001715 is about 1049.2062678659.

The spelling of 1155001715 in words is "one billion, one hundred fifty-five million, one thousand, seven hundred fifteen".