1085387454436 has 6 divisors (see below), whose sum is σ = 1899428045270. Its totient is φ = 542693727216.

The previous prime is 1085387454427. The next prime is 1085387454469. The reversal of 1085387454436 is 6344547835801.

It can be written as a sum of positive squares in only one way, i.e., 775033729600 + 310353724836 = 880360^2 + 557094^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135673431801 + ... + 135673431808.

Almost surely, 2^{1085387454436} is an apocalyptic number.

It is an amenable number.

1085387454436 is a deficient number, since it is larger than the sum of its proper divisors (814040590834).

1085387454436 is a wasteful number, since it uses less digits than its factorization.

1085387454436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271346863613 (or 271346863611 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 58.

The spelling of 1085387454436 in words is "one trillion, eighty-five billion, three hundred eighty-seven million, four hundred fifty-four thousand, four hundred thirty-six".