1156001066 has 16 divisors (see below), whose sum is σ = 1893306528. Its totient is φ = 524991600.

The previous prime is 1156001039. The next prime is 1156001083. The reversal of 1156001066 is 6601006511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2996 + ... + 48176.

It is an arithmetic number, because the mean of its divisors is an integer number (118331658).

Almost surely, 2^1156001066 is an apocalyptic number.

1156001066 is a deficient number, since it is larger than the sum of its proper divisors (737305462).

1156001066 is a wasteful number, since it uses less digits than its factorization.

1156001066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46357.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1156001066 is about 34000.0156764670. The cubic root of 1156001066 is about 1049.5087848973.

Adding to 1156001066 its reverse (6601006511), we get a palindrome (7757007577).

Subtracting 1156001066 from its reverse (6601006511), we obtain a palindrome (5445005445).

The spelling of 1156001066 in words is "one billion, one hundred fifty-six million, one thousand, sixty-six".