1078145122644 has 72 divisors (see below), whose sum is σ = 2978708398848. Its totient is φ = 327330581760.

The previous prime is 1078145122643. The next prime is 1078145122651. The reversal of 1078145122644 is 4462215418701.

1078145122644 is a `hidden beast` number, since 1 + 0 + 78 + 1 + 4 + 512 + 2 + 64 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1078145122644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078145122643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28395142 + ... + 28433085.

It is an arithmetic number, because the mean of its divisors is an integer number (41370949984).

Almost surely, 2^{1078145122644} is an apocalyptic number.

It is an amenable number.

1078145122644 is an abundant number, since it is smaller than the sum of its proper divisors (1900563276204).

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

1078145122644 is a wasteful number, since it uses less digits than its factorization.

1078145122644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56828285 (or 56828280 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 1078145122644 in words is "one trillion, seventy-eight billion, one hundred forty-five million, one hundred twenty-two thousand, six hundred forty-four".