1151320915080 has 192 divisors, whose sum is σ = 4280888102400. Its totient is φ = 262878865920.

The previous prime is 1151320915057. The next prime is 1151320915097. The reversal of 1151320915080 is 805190231511.

1151320915080 is a `hidden beast` number, since 1 + 1 + 513 + 2 + 0 + 91 + 50 + 8 + 0 = 666.

It is a super-3 number, since 3×1151320915080³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2128561 + ... + 2614079.

It is an arithmetic number, because the mean of its divisors is an integer number (22296292200).

Almost surely, 2^{1151320915080} is an apocalyptic number.

1151320915080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151320915080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2140444051200).

1151320915080 is an abundant number, since it is smaller than the sum of its proper divisors (3129567187320).

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

1151320915080 is a wasteful number, since it uses less digits than its factorization.

1151320915080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486484 (or 486477 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The spelling of 1151320915080 in words is "one trillion, one hundred fifty-one billion, three hundred twenty million, nine hundred fifteen thousand, eighty".