13778191035 has 96 divisors (see below), whose sum is σ = 27643619328. Its totient is φ = 6218311680.

The previous prime is 13778190989. The next prime is 13778191067. The reversal of 13778191035 is 53019187731.

It is not a de Polignac number, because 13778191035 - 2¹⁰ = 13778190011 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20472459 + ... + 20473131.

It is an arithmetic number, because the mean of its divisors is an integer number (287954368).

Almost surely, 2^13778191035 is an apocalyptic number.

13778191035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13778191035 is an abundant number, since it is smaller than the sum of its proper divisors (13865428293).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13778191035 is a wasteful number, since it uses less digits than its factorization.

13778191035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The spelling of 13778191035 in words is "thirteen billion, seven hundred seventy-eight million, one hundred ninety-one thousand, thirty-five".