11778409245 has 32 divisors (see below), whose sum is σ = 19682893440. Its totient is φ = 6008428800.

The previous prime is 11778409229. The next prime is 11778409259. The reversal of 11778409245 is 54290487711.

It is not a de Polignac number, because 11778409245 - 2⁴ = 11778409229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11778409194 and 11778409203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147106 + ... + 212595.

It is an arithmetic number, because the mean of its divisors is an integer number (615090420).

Almost surely, 2^11778409245 is an apocalyptic number.

11778409245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11778409245 is a deficient number, since it is larger than the sum of its proper divisors (7904484195).

11778409245 is a wasteful number, since it uses less digits than its factorization.

11778409245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359805.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 11778409245 in words is "eleven billion, seven hundred seventy-eight million, four hundred nine thousand, two hundred forty-five".