1161359527938 has 16 divisors (see below), whose sum is σ = 2322732349920. Its totient is φ = 387117626976.

The previous prime is 1161359527931. The next prime is 1161359527943. The reversal of 1161359527938 is 8397259531611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1161359527931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858981 + ... + 1749447.

It is an arithmetic number, because the mean of its divisors is an integer number (145170771870).

Almost surely, 2^{1161359527938} is an apocalyptic number.

1161359527938 is an abundant number, since it is smaller than the sum of its proper divisors (1161372821982).

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

1161359527938 is a wasteful number, since it uses less digits than its factorization.

1161359527938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107841.

The product of its digits is 12247200, while the sum is 60.

The spelling of 1161359527938 in words is "one trillion, one hundred sixty-one billion, three hundred fifty-nine million, five hundred twenty-seven thousand, nine hundred thirty-eight".