1155342072577 has 128 divisors (see below), whose sum is σ = 1567804170240. Its totient is φ = 825287823360.

The previous prime is 1155342072559. The next prime is 1155342072583. The reversal of 1155342072577 is 7752702435511.

It is not a de Polignac number, because 1155342072577 - 2¹¹ = 1155342070529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1155342072577.

It is not an unprimeable number, because it can be changed into a prime (1155342075577) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 625522668 + ... + 625524514.

It is an arithmetic number, because the mean of its divisors is an integer number (12248470080).

Almost surely, 2^{1155342072577} is an apocalyptic number.

It is an amenable number.

1155342072577 is a deficient number, since it is larger than the sum of its proper divisors (412462097663).

1155342072577 is a wasteful number, since it uses less digits than its factorization.

1155342072577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111.

The product of its (nonzero) digits is 2058000, while the sum is 49.

The spelling of 1155342072577 in words is "one trillion, one hundred fifty-five billion, three hundred forty-two million, seventy-two thousand, five hundred seventy-seven".