1011011401 has 6 divisors (see below), whose sum is σ = 1044677706. Its totient is φ = 978397200.

The previous prime is 1011011381. The next prime is 1011011423. The reversal of 1011011401 is 1041101101.

1011011401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 953327376 + 57684025 = 30876^2 + 7595^2 .

It is not a de Polignac number, because 1011011401 - 2¹¹ = 1011009353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011011461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525060 + ... + 526981.

It is an arithmetic number, because the mean of its divisors is an integer number (174112951).

Almost surely, 2^1011011401 is an apocalyptic number.

It is an amenable number.

1011011401 is a deficient number, since it is larger than the sum of its proper divisors (33666305).

1011011401 is an equidigital number, since it uses as much as digits as its factorization.

1011011401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052103 (or 1052072 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1011011401 is about 31796.4054729462. The cubic root of 1011011401 is about 1003.6570764881.

Adding to 1011011401 its reverse (1041101101), we get a palindrome (2052112502).

The spelling of 1011011401 in words is "one billion, eleven million, eleven thousand, four hundred one".