1181271010272 has 48 divisors (see below), whose sum is σ = 3283238547792. Its totient is φ = 370594826240.

The previous prime is 1181271010169. The next prime is 1181271010307. The reversal of 1181271010272 is 2720101721811.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361907379 + ... + 361910642.

It is an arithmetic number, because the mean of its divisors is an integer number (68400803079).

Almost surely, 2^{1181271010272} is an apocalyptic number.

1181271010272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1181271010272 is an abundant number, since it is smaller than the sum of its proper divisors (2101967537520).

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

1181271010272 is a wasteful number, since it uses less digits than its factorization.

1181271010272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723818051 (or 723818043 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 33.

The spelling of 1181271010272 in words is "one trillion, one hundred eighty-one billion, two hundred seventy-one million, ten thousand, two hundred seventy-two".