11900115629 has 2 divisors, whose sum is σ = 11900115630. Its totient is φ = 11900115628.

The previous prime is 11900115589. The next prime is 11900115631. The reversal of 11900115629 is 92651100911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11422693129 + 477422500 = 106877^2 + 21850^2 .

It is a cyclic number.

It is not a de Polignac number, because 11900115629 - 2⁸ = 11900115373 is a prime.

It is a super-2 number, since 2×11900115629² (a number of 21 digits) contains 22 as substring.

Together with 11900115631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11900112629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5950057814 + 5950057815.

It is an arithmetic number, because the mean of its divisors is an integer number (5950057815).

Almost surely, 2^11900115629 is an apocalyptic number.

It is an amenable number.

11900115629 is a deficient number, since it is larger than the sum of its proper divisors (1).

11900115629 is an equidigital number, since it uses as much as digits as its factorization.

11900115629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 35.

The spelling of 11900115629 in words is "eleven billion, nine hundred million, one hundred fifteen thousand, six hundred twenty-nine".