11625378609 has 16 divisors (see below), whose sum is σ = 16704777600. Its totient is φ = 7148967936.

The previous prime is 11625378593. The next prime is 11625378643. The reversal of 11625378609 is 90687352611.

It is not a de Polignac number, because 11625378609 - 2⁴ = 11625378593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11625338609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50829 + ... + 160730.

It is an arithmetic number, because the mean of its divisors is an integer number (1044048600).

Almost surely, 2^11625378609 is an apocalyptic number.

It is an amenable number.

11625378609 is a deficient number, since it is larger than the sum of its proper divisors (5079398991).

11625378609 is a wasteful number, since it uses less digits than its factorization.

11625378609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212984.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 11625378609 in words is "eleven billion, six hundred twenty-five million, three hundred seventy-eight thousand, six hundred nine".