11629957924381 has 2 divisors, whose sum is σ = 11629957924382. Its totient is φ = 11629957924380.

The previous prime is 11629957924349. The next prime is 11629957924393. The reversal of 11629957924381 is 18342975992611.

11629957924381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6586973580100 + 5042984344281 = 2566510^2 + 2245659^2 .

It is an emirp because it is prime and its reverse (18342975992611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11629957924381 - 2⁵ = 11629957924349 is a prime.

It is a super-2 number, since 2×11629957924381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11629957925381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5814978962190 + 5814978962191.

It is an arithmetic number, because the mean of its divisors is an integer number (5814978962191).

Almost surely, 2^{11629957924381} is an apocalyptic number.

It is an amenable number.

11629957924381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11629957924381 is an equidigital number, since it uses as much as digits as its factorization.

11629957924381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 67.

The spelling of 11629957924381 in words is "eleven trillion, six hundred twenty-nine billion, nine hundred fifty-seven million, nine hundred twenty-four thousand, three hundred eighty-one".