1151120723452 has 48 divisors (see below), whose sum is σ = 2344869918720. Its totient is φ = 484236561600.

The previous prime is 1151120723447. The next prime is 1151120723581. The reversal of 1151120723452 is 2543270211511.

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, 114627 + ... + 1521637.

It is an arithmetic number, because the mean of its divisors is an integer number (48851456640).

Almost surely, 2^{1151120723452} is an apocalyptic number.

It is an amenable number.

1151120723452 is an abundant number, since it is smaller than the sum of its proper divisors (1193749195268).

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

1151120723452 is a wasteful number, since it uses less digits than its factorization.

1151120723452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407562 (or 1407560 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

Adding to 1151120723452 its reverse (2543270211511), we get a palindrome (3694390934963).

The spelling of 1151120723452 in words is "one trillion, one hundred fifty-one billion, one hundred twenty million, seven hundred twenty-three thousand, four hundred fifty-two".