611078394849384 has 128 divisors (see below), whose sum is σ = 1966100575150080. Its totient is φ = 153601607404800.

The previous prime is 611078394849347. The next prime is 611078394849401. The reversal of 611078394849384 is 483948493870116.

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, 5333331859 + ... + 5333446434.

It is an arithmetic number, because the mean of its divisors is an integer number (15360160743360).

Almost surely, 2^{611078394849384} is an apocalyptic number.

It is an amenable number.

611078394849384 is an abundant number, since it is smaller than the sum of its proper divisors (1355022180300696).

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

611078394849384 is a wasteful number, since it uses less digits than its factorization.

611078394849384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10666778351 (or 10666778347 counting only the distinct ones).

The product of its (nonzero) digits is 1003290624, while the sum is 75.

The spelling of 611078394849384 in words is "six hundred eleven trillion, seventy-eight billion, three hundred ninety-four million, eight hundred forty-nine thousand, three hundred eighty-four".