1125275452572 has 12 divisors (see below), whose sum is σ = 2625642722696. Its totient is φ = 375091817520.

The previous prime is 1125275452547. The next prime is 1125275452573. The reversal of 1125275452572 is 2752545725211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1125275452572² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125275452573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46886477179 + ... + 46886477202.

Almost surely, 2^{1125275452572} is an apocalyptic number.

1125275452572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1125275452572 is an abundant number, since it is smaller than the sum of its proper divisors (1500367270124).

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

1125275452572 is a wasteful number, since it uses less digits than its factorization.

1125275452572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93772954388 (or 93772954386 counting only the distinct ones).

The product of its digits is 1960000, while the sum is 48.

The spelling of 1125275452572 in words is "one trillion, one hundred twenty-five billion, two hundred seventy-five million, four hundred fifty-two thousand, five hundred seventy-two".