90393375685511 has 2 divisors, whose sum is σ = 90393375685512. Its totient is φ = 90393375685510.

The previous prime is 90393375685451. The next prime is 90393375685537. The reversal of 90393375685511 is 11558657339309.

It is a strong prime.

It is an emirp because it is prime and its reverse (11558657339309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90393375685511 - 2³⁰ = 90392301943687 is a prime.

It is a super-2 number, since 2×90393375685511² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90393335685511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45196687842755 + 45196687842756.

It is an arithmetic number, because the mean of its divisors is an integer number (45196687842756).

Almost surely, 2^{90393375685511} is an apocalyptic number.

90393375685511 is a deficient number, since it is larger than the sum of its proper divisors (1).

90393375685511 is an equidigital number, since it uses as much as digits as its factorization.

90393375685511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854000, while the sum is 65.

The spelling of 90393375685511 in words is "ninety trillion, three hundred ninety-three billion, three hundred seventy-five million, six hundred eighty-five thousand, five hundred eleven".