1155506706049 has 8 divisors (see below), whose sum is σ = 1172826643520. Its totient is φ = 1138188932496.

The previous prime is 1155506706043. The next prime is 1155506706091. The reversal of 1155506706049 is 9406076055511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1155506706049 - 2²⁷ = 1155372488321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1155506705993 and 1155506706011.

It is not an unprimeable number, because it can be changed into a prime (1155506706043) 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, 551407 + ... + 1617115.

It is an arithmetic number, because the mean of its divisors is an integer number (146603330440).

Almost surely, 2^{1155506706049} is an apocalyptic number.

It is an amenable number.

1155506706049 is a deficient number, since it is larger than the sum of its proper divisors (17319937471).

1155506706049 is a wasteful number, since it uses less digits than its factorization.

1155506706049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081959.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 1155506706049 in words is "one trillion, one hundred fifty-five billion, five hundred six million, seven hundred six thousand, forty-nine".