11403661630061 has 4 divisors (see below), whose sum is σ = 11409120541500. Its totient is φ = 11398202718624.

The previous prime is 11403661630033. The next prime is 11403661630069. The reversal of 11403661630061 is 16003616630411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4901641021225 + 6502020608836 = 2213965^2 + 2549906^2 .

It is a cyclic number.

It is not a de Polignac number, because 11403661630061 - 2¹⁴ = 11403661613677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11403661629997 and 11403661630024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403661630069) 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, 2729452586 + ... + 2729456763.

It is an arithmetic number, because the mean of its divisors is an integer number (2852280135375).

Almost surely, 2^{11403661630061} is an apocalyptic number.

It is an amenable number.

11403661630061 is a deficient number, since it is larger than the sum of its proper divisors (5458911439).

11403661630061 is an equidigital number, since it uses as much as digits as its factorization.

11403661630061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458911438.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 11403661630061 in words is "eleven trillion, four hundred three billion, six hundred sixty-one million, six hundred thirty thousand, sixty-one".