1156536330 has 32 divisors (see below), whose sum is σ = 2779056000. Its totient is φ = 308035392.

The previous prime is 1156536319. The next prime is 1156536341. The reversal of 1156536330 is 336356511.

It is an interprime number because it is at equal distance from previous prime (1156536319) and next prime (1156536341).

It is a junction number, because it is equal to n+sod(n) for n = 1156536291 and 1156536300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2196 + ... + 48144.

It is an arithmetic number, because the mean of its divisors is an integer number (86845500).

Almost surely, 2^1156536330 is an apocalyptic number.

1156536330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1156536330 is an abundant number, since it is smaller than the sum of its proper divisors (1622519670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1156536330 is a wasteful number, since it uses less digits than its factorization.

1156536330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46798.

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 1156536330 is about 34007.8862912707. The cubic root of 1156536330 is about 1049.6707448367.

It can be divided in two parts, 11565 and 36330, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 1156536330 in words is "one billion, one hundred fifty-six million, five hundred thirty-six thousand, three hundred thirty".