1161355384250 has 32 divisors (see below), whose sum is σ = 2224616771520. Its totient is φ = 453738843600.

The previous prime is 1161355384247. The next prime is 1161355384297. The reversal of 1161355384250 is 524835531611.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54005780 + ... + 54027279.

It is an arithmetic number, because the mean of its divisors is an integer number (69519274110).

Almost surely, 2^{1161355384250} is an apocalyptic number.

1161355384250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161355384250 is a deficient number, since it is larger than the sum of its proper divisors (1063261387270).

1161355384250 is a wasteful number, since it uses less digits than its factorization.

1161355384250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108033119 (or 108033109 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 1161355384250 in words is "one trillion, one hundred sixty-one billion, three hundred fifty-five million, three hundred eighty-four thousand, two hundred fifty".