1115412545 has 32 divisors (see below), whose sum is σ = 1489259520. Its totient is φ = 796642560.

The previous prime is 1115412541. The next prime is 1115412559. The reversal of 1115412545 is 5452145111.

It is not a de Polignac number, because 1115412545 - 2² = 1115412541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1115412541) 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, 429200 + ... + 431790.

It is an arithmetic number, because the mean of its divisors is an integer number (46539360).

Almost surely, 2^1115412545 is an apocalyptic number.

It is an amenable number.

1115412545 is a deficient number, since it is larger than the sum of its proper divisors (373846975).

1115412545 is a wasteful number, since it uses less digits than its factorization.

1115412545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825.

The product of its digits is 4000, while the sum is 29.

The square root of 1115412545 is about 33397.7925168715. The cubic root of 1115412545 is about 1037.0790031398.

Adding to 1115412545 its reverse (5452145111), we get a palindrome (6567557656).

The spelling of 1115412545 in words is "one billion, one hundred fifteen million, four hundred twelve thousand, five hundred forty-five".