11576325421 has 2 divisors, whose sum is σ = 11576325422. Its totient is φ = 11576325420.

The previous prime is 11576325373. The next prime is 11576325433. The reversal of 11576325421 is 12452367511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7362498025 + 4213827396 = 85805^2 + 64914^2 .

It is an emirp because it is prime and its reverse (12452367511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11576325421 - 2¹⁷ = 11576194349 is a prime.

It is a super-2 number, since 2×11576325421² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11576325461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5788162710 + 5788162711.

It is an arithmetic number, because the mean of its divisors is an integer number (5788162711).

Almost surely, 2^11576325421 is an apocalyptic number.

It is an amenable number.

11576325421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11576325421 is an equidigital number, since it uses as much as digits as its factorization.

11576325421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The spelling of 11576325421 in words is "eleven billion, five hundred seventy-six million, three hundred twenty-five thousand, four hundred twenty-one".