1156455536 has 20 divisors (see below), whose sum is σ = 2256756600. Its totient is φ = 574066752.

The previous prime is 1156455493. The next prime is 1156455551. The reversal of 1156455536 is 6355546511.

It is a junction number, because it is equal to n+sod(n) for n = 1156455493 and 1156455502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257771 + ... + 262218.

It is an arithmetic number, because the mean of its divisors is an integer number (112837830).

Almost surely, 2^1156455536 is an apocalyptic number.

1156455536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1156455536 is a deficient number, since it is larger than the sum of its proper divisors (1100301064).

1156455536 is a wasteful number, since it uses less digits than its factorization.

1156455536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520136 (or 520130 counting only the distinct ones).

The product of its digits is 270000, while the sum is 41.

The square root of 1156455536 is about 34006.6983989919. The cubic root of 1156455536 is about 1049.6463014273.

The spelling of 1156455536 in words is "one billion, one hundred fifty-six million, four hundred fifty-five thousand, five hundred thirty-six".