155066370541 has 2 divisors, whose sum is σ = 155066370542. Its totient is φ = 155066370540.

The previous prime is 155066370533. The next prime is 155066370551. The reversal of 155066370541 is 145073660551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87406557316 + 67659813225 = 295646^2 + 260115^2 .

It is a cyclic number.

It is not a de Polignac number, because 155066370541 - 2³ = 155066370533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155066370551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77533185270 + 77533185271.

It is an arithmetic number, because the mean of its divisors is an integer number (77533185271).

Almost surely, 2^155066370541 is an apocalyptic number.

It is an amenable number.

155066370541 is a deficient number, since it is larger than the sum of its proper divisors (1).

155066370541 is an equidigital number, since it uses as much as digits as its factorization.

155066370541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 155066370541 in words is "one hundred fifty-five billion, sixty-six million, three hundred seventy thousand, five hundred forty-one".