1156311452 has 12 divisors (see below), whose sum is σ = 2070604536. Its totient is φ = 564710160.

The previous prime is 1156311449. The next prime is 1156311463. The reversal of 1156311452 is 2541136511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3361199 + ... + 3361542.

It is an arithmetic number, because the mean of its divisors is an integer number (172550378).

Almost surely, 2^1156311452 is an apocalyptic number.

It is an amenable number.

1156311452 is a deficient number, since it is larger than the sum of its proper divisors (914293084).

1156311452 is a wasteful number, since it uses less digits than its factorization.

1156311452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722788 (or 6722786 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 1156311452 is about 34004.5798680119. The cubic root of 1156311452 is about 1049.6027074414.

Adding to 1156311452 its reverse (2541136511), we get a palindrome (3697447963).

The spelling of 1156311452 in words is "one billion, one hundred fifty-six million, three hundred eleven thousand, four hundred fifty-two".