116778511749 has 16 divisors (see below), whose sum is σ = 160395048000. Its totient is φ = 75531461376.

The previous prime is 116778511739. The next prime is 116778511753. The reversal of 116778511749 is 947115877611.

It is not a de Polignac number, because 116778511749 - 2¹⁹ = 116777987461 is a prime.

It is a super-2 number, since 2×116778511749² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116778511739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3018564 + ... + 3057005.

It is an arithmetic number, because the mean of its divisors is an integer number (10024690500).

Almost surely, 2^116778511749 is an apocalyptic number.

It is an amenable number.

116778511749 is a deficient number, since it is larger than the sum of its proper divisors (43616536251).

116778511749 is a wasteful number, since it uses less digits than its factorization.

116778511749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075764.

The product of its digits is 2963520, while the sum is 57.

The spelling of 116778511749 in words is "one hundred sixteen billion, seven hundred seventy-eight million, five hundred eleven thousand, seven hundred forty-nine".