1156556050 has 96 divisors (see below), whose sum is σ = 2379847680. Its totient is φ = 415584000.

The previous prime is 1156556039. The next prime is 1156556059. The reversal of 1156556050 is 506556511.

It is a junction number, because it is equal to n+sod(n) for n = 1156555997 and 1156556015.

It is not an unprimeable number, because it can be changed into a prime (1156556059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5186239 + ... + 5186461.

It is an arithmetic number, because the mean of its divisors is an integer number (24790080).

Almost surely, 2^1156556050 is an apocalyptic number.

1156556050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1156556050 is an abundant number, since it is smaller than the sum of its proper divisors (1223291630).

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

1156556050 is a wasteful number, since it uses less digits than its factorization.

1156556050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 1156556050 is about 34008.1762227850. The cubic root of 1156556050 is about 1049.6767107509.

The spelling of 1156556050 in words is "one billion, one hundred fifty-six million, five hundred fifty-six thousand, fifty".