1091533061060 has 24 divisors (see below), whose sum is σ = 2468544000216. Its totient is φ = 403027591680.

The previous prime is 1091533061039. The next prime is 1091533061081. The reversal of 1091533061060 is 601603351901.

It is an interprime number because it is at equal distance from previous prime (1091533061039) and next prime (1091533061081).

It can be written as a sum of positive squares in 4 ways, for example, as 29693493124 + 1061839567936 = 172318^2 + 1030456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1091533061060.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2099101781 + ... + 2099102300.

It is an arithmetic number, because the mean of its divisors is an integer number (102856000009).

Almost surely, 2^{1091533061060} is an apocalyptic number.

1091533061060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1091533061060 is an abundant number, since it is smaller than the sum of its proper divisors (1377010939156).

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

1091533061060 is a wasteful number, since it uses less digits than its factorization.

1091533061060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198204103 (or 4198204101 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The spelling of 1091533061060 in words is "one trillion, ninety-one billion, five hundred thirty-three million, sixty-one thousand, sixty".