11125603437 has 24 divisors (see below), whose sum is σ = 17007897024. Its totient is φ = 6443783424.

The previous prime is 11125603429. The next prime is 11125603441. The reversal of 11125603437 is 73430652111.

It is not a de Polignac number, because 11125603437 - 2³ = 11125603429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11125603398 and 11125603407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11125603427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 636793 + ... + 654030.

It is an arithmetic number, because the mean of its divisors is an integer number (708662376).

Almost surely, 2^11125603437 is an apocalyptic number.

11125603437 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11125603437 is a deficient number, since it is larger than the sum of its proper divisors (5882293587).

11125603437 is a wasteful number, since it uses less digits than its factorization.

11125603437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290869 (or 1290856 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 11125603437 in words is "eleven billion, one hundred twenty-five million, six hundred three thousand, four hundred thirty-seven".