1085638373544 has 16 divisors (see below), whose sum is σ = 2714095933920. Its totient is φ = 361879457840.

The previous prime is 1085638373441. The next prime is 1085638373551. The reversal of 1085638373544 is 4453738365801.

1085638373544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1085638373544² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22617466092 + ... + 22617466139.

It is an arithmetic number, because the mean of its divisors is an integer number (169630995870).

Almost surely, 2^{1085638373544} is an apocalyptic number.

It is an amenable number.

1085638373544 is an abundant number, since it is smaller than the sum of its proper divisors (1628457560376).

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

1085638373544 is a wasteful number, since it uses less digits than its factorization.

1085638373544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45234932240 (or 45234932236 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 1085638373544 in words is "one trillion, eighty-five billion, six hundred thirty-eight million, three hundred seventy-three thousand, five hundred forty-four".