11542303397 has 2 divisors, whose sum is σ = 11542303398. Its totient is φ = 11542303396.

The previous prime is 11542303393. The next prime is 11542303469. The reversal of 11542303397 is 79330324511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11157908161 + 384395236 = 105631^2 + 19606^2 .

It is a cyclic number.

It is not a de Polignac number, because 11542303397 - 2² = 11542303393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11542303397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11542303393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771151698 + 5771151699.

It is an arithmetic number, because the mean of its divisors is an integer number (5771151699).

Almost surely, 2^11542303397 is an apocalyptic number.

It is an amenable number.

11542303397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11542303397 is an equidigital number, since it uses as much as digits as its factorization.

11542303397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 11542303397 in words is "eleven billion, five hundred forty-two million, three hundred three thousand, three hundred ninety-seven".