1161213124560 has 80 divisors (see below), whose sum is σ = 3789221789760. Its totient is φ = 293359104000.

The previous prime is 1161213124517. The next prime is 1161213124573. The reversal of 1161213124560 is 654213121611.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 127321441 + ... + 127330560.

It is an arithmetic number, because the mean of its divisors is an integer number (47365272372).

Almost surely, 2^{1161213124560} is an apocalyptic number.

1161213124560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161213124560 is an abundant number, since it is smaller than the sum of its proper divisors (2628008665200).

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

1161213124560 is a wasteful number, since it uses less digits than its factorization.

1161213124560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254652036 (or 254652030 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 1161213124560 in words is "one trillion, one hundred sixty-one billion, two hundred thirteen million, one hundred twenty-four thousand, five hundred sixty".