11811962103 has 16 divisors (see below), whose sum is σ = 16440111456. Its totient is φ = 7536205440.

The previous prime is 11811962081. The next prime is 11811962119. The reversal of 11811962103 is 30126911811.

It is not a de Polignac number, because 11811962103 - 2¹² = 11811958007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11811962143) 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, 865476 + ... + 879017.

It is an arithmetic number, because the mean of its divisors is an integer number (1027506966).

Almost surely, 2^11811962103 is an apocalyptic number.

11811962103 is a deficient number, since it is larger than the sum of its proper divisors (4628149353).

11811962103 is a wasteful number, since it uses less digits than its factorization.

11811962103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744594.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 11811962103 in words is "eleven billion, eight hundred eleven million, nine hundred sixty-two thousand, one hundred three".