11125511456 has 12 divisors (see below), whose sum is σ = 21903350742. Its totient is φ = 5562755712.

The previous prime is 11125511437. The next prime is 11125511471. The reversal of 11125511456 is 65411552111.

It can be written as a sum of positive squares in only one way, i.e., 6542221456 + 4583290000 = 80884^2 + 67700^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 347672233 = 11125511456 / (1 + 1 + 1 + 2 + 5 + 5 + 1 + 1 + 4 + 5 + 6).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173836085 + ... + 173836148.

Almost surely, 2^11125511456 is an apocalyptic number.

11125511456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11125511456 is a deficient number, since it is larger than the sum of its proper divisors (10777839286).

11125511456 is an equidigital number, since it uses as much as digits as its factorization.

11125511456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347672243 (or 347672235 counting only the distinct ones).

The product of its digits is 6000, while the sum is 32.

The spelling of 11125511456 in words is "eleven billion, one hundred twenty-five million, five hundred eleven thousand, four hundred fifty-six".