11234512545 has 32 divisors (see below), whose sum is σ = 18171724032. Its totient is φ = 5926459392.

The previous prime is 11234512483. The next prime is 11234512547. The reversal of 11234512545 is 54521543211.

It is not a de Polignac number, because 11234512545 - 2¹² = 11234508449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11234512547) 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, 845997 + ... + 859173.

It is an arithmetic number, because the mean of its divisors is an integer number (567866376).

Almost surely, 2^11234512545 is an apocalyptic number.

11234512545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11234512545 is a deficient number, since it is larger than the sum of its proper divisors (6937211487).

11234512545 is a wasteful number, since it uses less digits than its factorization.

11234512545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13801.

The product of its digits is 24000, while the sum is 33.

The spelling of 11234512545 in words is "eleven billion, two hundred thirty-four million, five hundred twelve thousand, five hundred forty-five".