72550371274541 has 2 divisors, whose sum is σ = 72550371274542. Its totient is φ = 72550371274540.

The previous prime is 72550371274523. The next prime is 72550371274567. The reversal of 72550371274541 is 14547217305527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54150097755625 + 18400273518916 = 7358675^2 + 4289554^2 .

It is a cyclic number.

It is not a de Polignac number, because 72550371274541 - 2³⁰ = 72549297532717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72550371204541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36275185637270 + 36275185637271.

It is an arithmetic number, because the mean of its divisors is an integer number (36275185637271).

Almost surely, 2^{72550371274541} is an apocalyptic number.

It is an amenable number.

72550371274541 is a deficient number, since it is larger than the sum of its proper divisors (1).

72550371274541 is an equidigital number, since it uses as much as digits as its factorization.

72550371274541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232000, while the sum is 53.

The spelling of 72550371274541 in words is "seventy-two trillion, five hundred fifty billion, three hundred seventy-one million, two hundred seventy-four thousand, five hundred forty-one".