11215401829 has 2 divisors, whose sum is σ = 11215401830. Its totient is φ = 11215401828.

The previous prime is 11215401787. The next prime is 11215401851. The reversal of 11215401829 is 92810451211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9668788900 + 1546612929 = 98330^2 + 39327^2 .

It is a cyclic number.

It is not a de Polignac number, because 11215401829 - 2⁹ = 11215401317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11215401794 and 11215401803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11215401889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607700914 + 5607700915.

It is an arithmetic number, because the mean of its divisors is an integer number (5607700915).

Almost surely, 2^11215401829 is an apocalyptic number.

It is an amenable number.

11215401829 is a deficient number, since it is larger than the sum of its proper divisors (1).

11215401829 is an equidigital number, since it uses as much as digits as its factorization.

11215401829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 34.

The spelling of 11215401829 in words is "eleven billion, two hundred fifteen million, four hundred one thousand, eight hundred twenty-nine".