11402042357 has 2 divisors, whose sum is σ = 11402042358. Its totient is φ = 11402042356.

The previous prime is 11402042279. The next prime is 11402042369. The reversal of 11402042357 is 75324020411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9664069636 + 1737972721 = 98306^2 + 41689^2 .

It is a cyclic number.

It is not a de Polignac number, because 11402042357 - 2²⁴ = 11385265141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11402042857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701021178 + 5701021179.

It is an arithmetic number, because the mean of its divisors is an integer number (5701021179).

Almost surely, 2^11402042357 is an apocalyptic number.

It is an amenable number.

11402042357 is a deficient number, since it is larger than the sum of its proper divisors (1).

11402042357 is an equidigital number, since it uses as much as digits as its factorization.

11402042357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 11402042357 its reverse (75324020411), we get a palindrome (86726062768).

The spelling of 11402042357 in words is "eleven billion, four hundred two million, forty-two thousand, three hundred fifty-seven".