11402127497 has 2 divisors, whose sum is σ = 11402127498. Its totient is φ = 11402127496.

The previous prime is 11402127481. The next prime is 11402127619. The reversal of 11402127497 is 79472120411.

11402127497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5949191161 + 5452936336 = 77131^2 + 73844^2 .

It is a cyclic number.

It is not a de Polignac number, because 11402127497 - 2⁴ = 11402127481 is a prime.

It is a super-2 number, since 2×11402127497² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11402127497.

It is not a weakly prime, because it can be changed into another prime (11402127097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701063748 + 5701063749.

It is an arithmetic number, because the mean of its divisors is an integer number (5701063749).

Almost surely, 2^11402127497 is an apocalyptic number.

It is an amenable number.

11402127497 is a deficient number, since it is larger than the sum of its proper divisors (1).

11402127497 is an equidigital number, since it uses as much as digits as its factorization.

11402127497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 11402127497 in words is "eleven billion, four hundred two million, one hundred twenty-seven thousand, four hundred ninety-seven".