11051631620203 has 32 divisors (see below), whose sum is σ = 12124827187200. Its totient is φ = 10028034593280.

The previous prime is 11051631620137. The next prime is 11051631620251. The reversal of 11051631620203 is 30202613615011.

It is not a de Polignac number, because 11051631620203 - 2¹⁷ = 11051631489131 is a prime.

It is a super-2 number, since 2×11051631620203² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11051631650203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206518776 + ... + 206572282.

It is an arithmetic number, because the mean of its divisors is an integer number (378900849600).

Almost surely, 2^{11051631620203} is an apocalyptic number.

11051631620203 is a deficient number, since it is larger than the sum of its proper divisors (1073195566997).

11051631620203 is a wasteful number, since it uses less digits than its factorization.

11051631620203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55027.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 11051631620203 in words is "eleven trillion, fifty-one billion, six hundred thirty-one million, six hundred twenty thousand, two hundred three".