1151551106500 has 24 divisors (see below), whose sum is σ = 2514987617688. Its totient is φ = 460620442400.

The previous prime is 1151551106483. The next prime is 1151551106501. The reversal of 1151551106500 is 56011551511.

It can be written as a sum of positive squares in 4 ways, for example, as 113234942016 + 1038316164484 = 336504^2 + 1018978^2 .

It is not an unprimeable number, because it can be changed into a prime (1151551106501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151550607 + ... + 1151551606.

It is an arithmetic number, because the mean of its divisors is an integer number (104791150737).

Almost surely, 2^{1151551106500} is an apocalyptic number.

1151551106500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151551106500 is an abundant number, since it is smaller than the sum of its proper divisors (1363436511188).

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

1151551106500 is a wasteful number, since it uses less digits than its factorization.

1151551106500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303102232 (or 2303102220 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 1151551106500 in words is "one trillion, one hundred fifty-one billion, five hundred fifty-one million, one hundred six thousand, five hundred".