1156215433 has 8 divisors (see below), whose sum is σ = 1185555008. Its totient is φ = 1126987344.

The previous prime is 1156215409. The next prime is 1156215439. The reversal of 1156215433 is 3345126511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1156215433 - 2¹⁷ = 1156084361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1156215395 and 1156215404.

It is not an unprimeable number, because it can be changed into a prime (1156215439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6666 + ... + 48547.

It is an arithmetic number, because the mean of its divisors is an integer number (148194376).

Almost surely, 2^1156215433 is an apocalyptic number.

It is an amenable number.

1156215433 is a deficient number, since it is larger than the sum of its proper divisors (29339575).

1156215433 is an equidigital number, since it uses as much as digits as its factorization.

1156215433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55743.

The product of its digits is 10800, while the sum is 31.

The square root of 1156215433 is about 34003.1679847628. The cubic root of 1156215433 is about 1049.5736539680.

The spelling of 1156215433 in words is "one billion, one hundred fifty-six million, two hundred fifteen thousand, four hundred thirty-three".