1126645190401 has 4 divisors (see below), whose sum is σ = 1129715068672. Its totient is φ = 1123575312132.

The previous prime is 1126645190393. The next prime is 1126645190423. The reversal of 1126645190401 is 1040915466211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1126645190401 - 2³ = 1126645190393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126645190441) 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, 1534938585 + ... + 1534939318.

It is an arithmetic number, because the mean of its divisors is an integer number (282428767168).

Almost surely, 2^{1126645190401} is an apocalyptic number.

It is an amenable number.

1126645190401 is a deficient number, since it is larger than the sum of its proper divisors (3069878271).

1126645190401 is an equidigital number, since it uses as much as digits as its factorization.

1126645190401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069878270.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 1126645190401 in words is "one trillion, one hundred twenty-six billion, six hundred forty-five million, one hundred ninety thousand, four hundred one".