40551125440541 has 2 divisors, whose sum is σ = 40551125440542. Its totient is φ = 40551125440540.

The previous prime is 40551125440537. The next prime is 40551125440547. The reversal of 40551125440541 is 14504452115504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32415202099225 + 8135923341316 = 5693435^2 + 2852354^2 .

It is a cyclic number.

It is not a de Polignac number, because 40551125440541 - 2² = 40551125440537 is a prime.

It is a super-2 number, since 2×40551125440541² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40551125440547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20275562720270 + 20275562720271.

It is an arithmetic number, because the mean of its divisors is an integer number (20275562720271).

Almost surely, 2^{40551125440541} is an apocalyptic number.

It is an amenable number.

40551125440541 is a deficient number, since it is larger than the sum of its proper divisors (1).

40551125440541 is an equidigital number, since it uses as much as digits as its factorization.

40551125440541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320000, while the sum is 41.

The spelling of 40551125440541 in words is "forty trillion, five hundred fifty-one billion, one hundred twenty-five million, four hundred forty thousand, five hundred forty-one".