1138885958596 has 9 divisors (see below), whose sum is σ = 1993054162701. Its totient is φ = 569441912112.

The previous prime is 1138885958593. The next prime is 1138885958621. The reversal of 1138885958596 is 6958595888311.

The square root of 1138885958596 is 1067186.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17964040900 + 1120921917696 = 134030^2 + 1058736^2 .

It is a super-2 number, since 2×1138885958596² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138885958593) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1867576 + ... + 2401168.

Almost surely, 2^{1138885958596} is an apocalyptic number.

1138885958596 is the 1067186-th square number.

It is an amenable number.

1138885958596 is a deficient number, since it is larger than the sum of its proper divisors (854168204105).

1138885958596 is an frugal number, since it uses more digits than its factorization.

1138885958596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067190 (or 533595 counting only the distinct ones).

The product of its digits is 746496000, while the sum is 76.

It can be divided in two parts, 11388 and 85958596, that added together give a square (85969984 = 9272²).

The spelling of 1138885958596 in words is "one trillion, one hundred thirty-eight billion, eight hundred eighty-five million, nine hundred fifty-eight thousand, five hundred ninety-six".