1156561230570 has 16 divisors (see below), whose sum is σ = 2775746953440. Its totient is φ = 308416328144.

The previous prime is 1156561230551. The next prime is 1156561230577. The reversal of 1156561230570 is 750321656511.

It is not an unprimeable number, because it can be changed into a prime (1156561230577) 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, 19276020480 + ... + 19276020539.

It is an arithmetic number, because the mean of its divisors is an integer number (173484184590).

Almost surely, 2^{1156561230570} is an apocalyptic number.

1156561230570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1156561230570 is an abundant number, since it is smaller than the sum of its proper divisors (1619185722870).

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

1156561230570 is a wasteful number, since it uses less digits than its factorization.

1156561230570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38552041029.

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 1156561230570 in words is "one trillion, one hundred fifty-six billion, five hundred sixty-one million, two hundred thirty thousand, five hundred seventy".