1161238070712 has 64 divisors (see below), whose sum is σ = 2940808273920. Its totient is φ = 382081891968.

The previous prime is 1161238070669. The next prime is 1161238070717. The reversal of 1161238070712 is 2170708321611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161238070717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366508 + ... + 1567419.

It is an arithmetic number, because the mean of its divisors is an integer number (45950129280).

Almost surely, 2^{1161238070712} is an apocalyptic number.

1161238070712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1161238070712 is an abundant number, since it is smaller than the sum of its proper divisors (1779570203208).

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

1161238070712 is a wasteful number, since it uses less digits than its factorization.

1161238070712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934260 (or 1934256 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The spelling of 1161238070712 in words is "one trillion, one hundred sixty-one billion, two hundred thirty-eight million, seventy thousand, seven hundred twelve".