1111001000145 has 32 divisors (see below), whose sum is σ = 1801845336960. Its totient is φ = 584484257280.

The previous prime is 1111001000101. The next prime is 1111001000147. The reversal of 1111001000145 is 5410001001111.

It is not a de Polignac number, because 1111001000145 - 2¹⁴ = 1111000983761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1111001000147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426339 + ... + 1550408.

It is an arithmetic number, because the mean of its divisors is an integer number (56307666780).

Almost surely, 2^{1111001000145} is an apocalyptic number.

1111001000145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1111001000145 is a deficient number, since it is larger than the sum of its proper divisors (690844336815).

1111001000145 is a wasteful number, since it uses less digits than its factorization.

1111001000145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977265.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 1111001000145 its reverse (5410001001111), we get a palindrome (6521002001256).

The spelling of 1111001000145 in words is "one trillion, one hundred eleven billion, one million, one hundred forty-five", and thus it is an aban number.