1179955128860 has 48 divisors (see below), whose sum is σ = 2534087445120. Its totient is φ = 461388333120.

The previous prime is 1179955128857. The next prime is 1179955128971. The reversal of 1179955128860 is 688215599711.

It is a super-2 number, since 2×1179955128860² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1179955128793 and 1179955128802.

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, 3185390 + ... + 3536469.

It is an arithmetic number, because the mean of its divisors is an integer number (52793488440).

Almost surely, 2^{1179955128860} is an apocalyptic number.

1179955128860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1179955128860 is an abundant number, since it is smaller than the sum of its proper divisors (1354132316260).

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

1179955128860 is a wasteful number, since it uses less digits than its factorization.

1179955128860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722066 (or 6722064 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 62.

The spelling of 1179955128860 in words is "one trillion, one hundred seventy-nine billion, nine hundred fifty-five million, one hundred twenty-eight thousand, eight hundred sixty".