1078820632253 has 36 divisors (see below), whose sum is σ = 1405774813140. Its totient is φ = 824138654976.

The previous prime is 1078820632177. The next prime is 1078820632283. The reversal of 1078820632253 is 3522360288701.

It can be written as a sum of positive squares in 6 ways, for example, as 214000610404 + 864820021849 = 462602^2 + 929957^2 .

It is not a de Polignac number, because 1078820632253 - 2¹² = 1078820628157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1078820632198 and 1078820632207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078820632283) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2006000 + ... + 2486297.

It is an arithmetic number, because the mean of its divisors is an integer number (39049300365).

Almost surely, 2^{1078820632253} is an apocalyptic number.

1078820632253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1078820632253 is a deficient number, since it is larger than the sum of its proper divisors (326954180887).

1078820632253 is a wasteful number, since it uses less digits than its factorization.

1078820632253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492366 (or 4492346 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 1078820632253 in words is "one trillion, seventy-eight billion, eight hundred twenty million, six hundred thirty-two thousand, two hundred fifty-three".