1045211135231 has 4 divisors (see below), whose sum is σ = 1045214734200. Its totient is φ = 1045207536264.

The previous prime is 1045211135219. The next prime is 1045211135249. The reversal of 1045211135231 is 1325311125401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1045211135231 - 2³⁴ = 1028031266047 is a prime.

It is a super-2 number, since 2×1045211135231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045211135194 and 1045211135203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045211135431) 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, 1321541 + ... + 1958798.

It is an arithmetic number, because the mean of its divisors is an integer number (261303683550).

Almost surely, 2^{1045211135231} is an apocalyptic number.

1045211135231 is a deficient number, since it is larger than the sum of its proper divisors (3598969).

1045211135231 is an equidigital number, since it uses as much as digits as its factorization.

1045211135231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598968.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 1045211135231 in words is "one trillion, forty-five billion, two hundred eleven million, one hundred thirty-five thousand, two hundred thirty-one".