1121570161570 has 16 divisors (see below), whose sum is σ = 2020580287488. Its totient is φ = 448238287600.

The previous prime is 1121570161567. The next prime is 1121570161573. The reversal of 1121570161570 is 751610751211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121570161567) and next prime (1121570161573).

It is not an unprimeable number, because it can be changed into a prime (1121570161573) 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, 48710044 + ... + 48733063.

It is an arithmetic number, because the mean of its divisors is an integer number (126286267968).

Almost surely, 2^{1121570161570} is an apocalyptic number.

1121570161570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121570161570 is a deficient number, since it is larger than the sum of its proper divisors (899010125918).

1121570161570 is a wasteful number, since it uses less digits than its factorization.

1121570161570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97444265.

The product of its (nonzero) digits is 14700, while the sum is 37.

The spelling of 1121570161570 in words is "one trillion, one hundred twenty-one billion, five hundred seventy million, one hundred sixty-one thousand, five hundred seventy".