401011151 has 2 divisors, whose sum is σ = 401011152. Its totient is φ = 401011150.

The previous prime is 401011139. The next prime is 401011157. The reversal of 401011151 is 151110104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401011151 - 2⁶ = 401011087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401011157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200505575 + 200505576.

It is an arithmetic number, because the mean of its divisors is an integer number (200505576).

Almost surely, 2^401011151 is an apocalyptic number.

401011151 is a deficient number, since it is larger than the sum of its proper divisors (1).

401011151 is an equidigital number, since it uses as much as digits as its factorization.

401011151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 401011151 is about 20025.2628197485. The cubic root of 401011151 is about 737.4266293379.

Adding to 401011151 its reverse (151110104), we get a palindrome (552121255).

The spelling of 401011151 in words is "four hundred one million, eleven thousand, one hundred fifty-one".