1152222511 has 4 divisors (see below), whose sum is σ = 1256970024. Its totient is φ = 1047475000.

The previous prime is 1152222493. The next prime is 1152222521.

It is a happy number.

1152222511 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1152222511 - 2¹³ = 1152214319 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 (1152222521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52373740 + ... + 52373761.

It is an arithmetic number, because the mean of its divisors is an integer number (314242506).

Almost surely, 2^1152222511 is an apocalyptic number.

1152222511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1152222511 is a deficient number, since it is larger than the sum of its proper divisors (104747513).

1152222511 is a wasteful number, since it uses less digits than its factorization.

1152222511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104747512.

The product of its digits is 400, while the sum is 22.

The square root of 1152222511 is about 33944.4032352905. The cubic root of 1152222511 is about 1048.3640468325.

The spelling of 1152222511 in words is "one billion, one hundred fifty-two million, two hundred twenty-two thousand, five hundred eleven".