155980074841 has 2 divisors, whose sum is σ = 155980074842. Its totient is φ = 155980074840.

The previous prime is 155980074821. The next prime is 155980074997. The reversal of 155980074841 is 148470089551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101968455625 + 54011619216 = 319325^2 + 232404^2 .

It is a cyclic number.

It is not a de Polignac number, because 155980074841 - 2⁹ = 155980074329 is a prime.

It is a super-2 number, since 2×155980074841² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155980074821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77990037420 + 77990037421.

It is an arithmetic number, because the mean of its divisors is an integer number (77990037421).

Almost surely, 2^155980074841 is an apocalyptic number.

It is an amenable number.

155980074841 is a deficient number, since it is larger than the sum of its proper divisors (1).

155980074841 is an equidigital number, since it uses as much as digits as its factorization.

155980074841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 155980074841 in words is "one hundred fifty-five billion, nine hundred eighty million, seventy-four thousand, eight hundred forty-one".