401111377 has 2 divisors, whose sum is σ = 401111378. Its totient is φ = 401111376.

The previous prime is 401111369. The next prime is 401111401. The reversal of 401111377 is 773111104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221444161 + 179667216 = 14881^2 + 13404^2 .

It is a cyclic number.

It is not a de Polignac number, because 401111377 - 2³ = 401111369 is a prime.

It is a super-2 number, since 2×401111377² = 321780673517672258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402111377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200555688 + 200555689.

It is an arithmetic number, because the mean of its divisors is an integer number (200555689).

Almost surely, 2^401111377 is an apocalyptic number.

It is an amenable number.

401111377 is a deficient number, since it is larger than the sum of its proper divisors (1).

401111377 is an equidigital number, since it uses as much as digits as its factorization.

401111377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 401111377 is about 20027.7651524078. The cubic root of 401111377 is about 737.4880600193.

The spelling of 401111377 in words is "four hundred one million, one hundred eleven thousand, three hundred seventy-seven".