1045128487611 has 64 divisors (see below), whose sum is σ = 1554023604224. Its totient is φ = 621083998080.

The previous prime is 1045128487607. The next prime is 1045128487679. The reversal of 1045128487611 is 1167848215401.

It is not a de Polignac number, because 1045128487611 - 2² = 1045128487607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045128487111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 956201181 + ... + 956202273.

It is an arithmetic number, because the mean of its divisors is an integer number (24281618816).

Almost surely, 2^{1045128487611} is an apocalyptic number.

1045128487611 is a deficient number, since it is larger than the sum of its proper divisors (508895116613).

1045128487611 is an equidigital number, since it uses as much as digits as its factorization.

1045128487611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 48.

The spelling of 1045128487611 in words is "one trillion, forty-five billion, one hundred twenty-eight million, four hundred eighty-seven thousand, six hundred eleven".