1125512387460 has 108 divisors (see below), whose sum is σ = 3545184310668. Its totient is φ = 300136601664.

The previous prime is 1125512387453. The next prime is 1125512387477. The reversal of 1125512387460 is 647832155211.

1125512387460 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 512 + 3 + 8 + 74 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 692277249024 + 433235138436 = 832032^2 + 658206^2 .

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4157427 + ... + 4419866.

Almost surely, 2^{1125512387460} is an apocalyptic number.

1125512387460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125512387460 is an abundant number, since it is smaller than the sum of its proper divisors (2419671923208).

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

1125512387460 is an frugal number, since it uses more digits than its factorization.

1125512387460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8577326 (or 8577303 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 1125512387460 in words is "one trillion, one hundred twenty-five billion, five hundred twelve million, three hundred eighty-seven thousand, four hundred sixty".