11103602957 has 4 divisors (see below), whose sum is σ = 11104077696. Its totient is φ = 11103128220.

The previous prime is 11103602941. The next prime is 11103602987. The reversal of 11103602957 is 75920630111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75920630111 = 67 ⋅1133143733.

It is a cyclic number.

It is not a de Polignac number, because 11103602957 - 2⁴ = 11103602941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103602927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200363 + ... + 249704.

It is an arithmetic number, because the mean of its divisors is an integer number (2776019424).

Almost surely, 2^11103602957 is an apocalyptic number.

It is an amenable number.

11103602957 is a deficient number, since it is larger than the sum of its proper divisors (474739).

11103602957 is an equidigital number, since it uses as much as digits as its factorization.

11103602957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474738.

The product of its (nonzero) digits is 11340, while the sum is 35.

The spelling of 11103602957 in words is "eleven billion, one hundred three million, six hundred two thousand, nine hundred fifty-seven".