1156938256779 has 8 divisors (see below), whose sum is σ = 1543679155920. Its totient is φ = 770744764416.

The previous prime is 1156938256697. The next prime is 1156938256807. The reversal of 1156938256779 is 9776528396511.

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

It is not a de Polignac number, because 1156938256779 - 2¹⁶ = 1156938191243 is a prime.

It is a super-2 number, since 2×1156938256779² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1156938256079) 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, 136846762 + ... + 136855215.

It is an arithmetic number, because the mean of its divisors is an integer number (192959894490).

Almost surely, 2^{1156938256779} is an apocalyptic number.

1156938256779 is a deficient number, since it is larger than the sum of its proper divisors (386740899141).

1156938256779 is a wasteful number, since it uses less digits than its factorization.

1156938256779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273703389.

The product of its digits is 171460800, while the sum is 69.

The spelling of 1156938256779 in words is "one trillion, one hundred fifty-six billion, nine hundred thirty-eight million, two hundred fifty-six thousand, seven hundred seventy-nine".