11477082778 has 32 divisors (see below), whose sum is σ = 20083714560. Its totient is φ = 4817266560.

The previous prime is 11477082767. The next prime is 11477082803. The reversal of 11477082778 is 87728077411.

It is a super-3 number, since 3×11477082778³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170143 + ... + 227821.

It is an arithmetic number, because the mean of its divisors is an integer number (627616080).

Almost surely, 2^11477082778 is an apocalyptic number.

11477082778 is a deficient number, since it is larger than the sum of its proper divisors (8606631782).

11477082778 is a wasteful number, since it uses less digits than its factorization.

11477082778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57982.

The product of its (nonzero) digits is 1229312, while the sum is 52.

The spelling of 11477082778 in words is "eleven billion, four hundred seventy-seven million, eighty-two thousand, seven hundred seventy-eight".