1151135515530 has 768 divisors, whose sum is σ = 4150433903616. Its totient is φ = 213617295360.

The previous prime is 1151135515507. The next prime is 1151135515559. The reversal of 1151135515530 is 355155311511.

1151135515530 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 135 + 515 + 5 + 3 + 0 = 666.

It is a super-2 number, since 2×1151135515530² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 656665134 + ... + 656666886.

It is an arithmetic number, because the mean of its divisors is an integer number (5404210812).

Almost surely, 2^{1151135515530} is an apocalyptic number.

1151135515530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151135515530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2075216951808).

1151135515530 is an abundant number, since it is smaller than the sum of its proper divisors (2999298388086).

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

1151135515530 is a wasteful number, since it uses less digits than its factorization.

1151135515530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 28125, while the sum is 36.

The spelling of 1151135515530 in words is "one trillion, one hundred fifty-one billion, one hundred thirty-five million, five hundred fifteen thousand, five hundred thirty".