1149816856057 has 4 divisors (see below), whose sum is σ = 1149970438656. Its totient is φ = 1149663273460.

The previous prime is 1149816856031. The next prime is 1149816856061. The reversal of 1149816856057 is 7506586189411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1149816856057 - 2¹¹ = 1149816854009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1149816855986 and 1149816856004.

It is not an unprimeable number, because it can be changed into a prime (1149816856087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76780069 + ... + 76795042.

It is an arithmetic number, because the mean of its divisors is an integer number (287492609664).

Almost surely, 2^{1149816856057} is an apocalyptic number.

It is an amenable number.

1149816856057 is a deficient number, since it is larger than the sum of its proper divisors (153582599).

1149816856057 is an equidigital number, since it uses as much as digits as its factorization.

1149816856057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153582598.

The product of its (nonzero) digits is 14515200, while the sum is 61.

The spelling of 1149816856057 in words is "one trillion, one hundred forty-nine billion, eight hundred sixteen million, eight hundred fifty-six thousand, fifty-seven".