11435957803 has 2 divisors, whose sum is σ = 11435957804. Its totient is φ = 11435957802.

The previous prime is 11435957777. The next prime is 11435957807. The reversal of 11435957803 is 30875953411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11435957803 - 2²¹ = 11433860651 is a prime.

It is a super-2 number, since 2×11435957803² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11435957807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5717978901 + 5717978902.

It is an arithmetic number, because the mean of its divisors is an integer number (5717978902).

Almost surely, 2^11435957803 is an apocalyptic number.

11435957803 is a deficient number, since it is larger than the sum of its proper divisors (1).

11435957803 is an equidigital number, since it uses as much as digits as its factorization.

11435957803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 11435957803 in words is "eleven billion, four hundred thirty-five million, nine hundred fifty-seven thousand, eight hundred three".