401777696011 has 2 divisors, whose sum is σ = 401777696012. Its totient is φ = 401777696010.

The previous prime is 401777695993. The next prime is 401777696101. The reversal of 401777696011 is 110696777104.

It is a happy number.

Together with next prime (401777696101) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401777696011 - 2⁹ = 401777695499 is a prime.

It is a super-2 number, since 2×401777696011² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401777696611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200888848005 + 200888848006.

It is an arithmetic number, because the mean of its divisors is an integer number (200888848006).

Almost surely, 2^401777696011 is an apocalyptic number.

401777696011 is a deficient number, since it is larger than the sum of its proper divisors (1).

401777696011 is an equidigital number, since it uses as much as digits as its factorization.

401777696011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 49.

The spelling of 401777696011 in words is "four hundred one billion, seven hundred seventy-seven million, six hundred ninety-six thousand, eleven".