1125251033201 has 4 divisors (see below), whose sum is σ = 1125267124212. Its totient is φ = 1125234942192.

The previous prime is 1125251033173. The next prime is 1125251033351. The reversal of 1125251033201 is 1023301525211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 831187773025 + 294063260176 = 911695^2 + 542276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125251033201 - 2¹⁴ = 1125251016817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125251033801) 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, 7940150 + ... + 8080623.

It is an arithmetic number, because the mean of its divisors is an integer number (281316781053).

Almost surely, 2^{1125251033201} is an apocalyptic number.

It is an amenable number.

1125251033201 is a deficient number, since it is larger than the sum of its proper divisors (16091011).

1125251033201 is an equidigital number, since it uses as much as digits as its factorization.

1125251033201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16091010.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 1125251033201 its reverse (1023301525211), we get a palindrome (2148552558412).

The spelling of 1125251033201 in words is "one trillion, one hundred twenty-five billion, two hundred fifty-one million, thirty-three thousand, two hundred one".