1011607545 has 48 divisors (see below), whose sum is σ = 1765253952. Its totient is φ = 491736960.

The previous prime is 1011607543. The next prime is 1011607573. The reversal of 1011607545 is 5457061101.

It is not a de Polignac number, because 1011607545 - 2¹ = 1011607543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011607543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5083356 + ... + 5083554.

It is an arithmetic number, because the mean of its divisors is an integer number (36776124).

Almost surely, 2^1011607545 is an apocalyptic number.

1011607545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011607545 is a deficient number, since it is larger than the sum of its proper divisors (753646407).

1011607545 is a wasteful number, since it uses less digits than its factorization.

1011607545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1011607545 is about 31805.7784844201. The cubic root of 1011607545 is about 1003.8543068989.

Adding to 1011607545 its reverse (5457061101), we get a palindrome (6468668646).

The spelling of 1011607545 in words is "one billion, eleven million, six hundred seven thousand, five hundred forty-five".