1078448570551 has 4 divisors (see below), whose sum is σ = 1176489349704. Its totient is φ = 980407791400.

The previous prime is 1078448570533. The next prime is 1078448570579. The reversal of 1078448570551 is 1550758448701.

1078448570551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1078448570551 - 2³⁵ = 1044088832183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1078448570492 and 1078448570501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078448570581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49020389560 + ... + 49020389581.

It is an arithmetic number, because the mean of its divisors is an integer number (294122337426).

Almost surely, 2^{1078448570551} is an apocalyptic number.

1078448570551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1078448570551 is a deficient number, since it is larger than the sum of its proper divisors (98040779153).

1078448570551 is an equidigital number, since it uses as much as digits as its factorization.

1078448570551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98040779152.

The product of its (nonzero) digits is 6272000, while the sum is 55.

The spelling of 1078448570551 in words is "one trillion, seventy-eight billion, four hundred forty-eight million, five hundred seventy thousand, five hundred fifty-one".