1011504401 has 2 divisors, whose sum is σ = 1011504402. Its totient is φ = 1011504400.

The previous prime is 1011504397. The next prime is 1011504407. The reversal of 1011504401 is 1044051101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 691953025 + 319551376 = 26305^2 + 17876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011504401 - 2² = 1011504397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011504401.

It is not a weakly prime, because it can be changed into another prime (1011504407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505752200 + 505752201.

It is an arithmetic number, because the mean of its divisors is an integer number (505752201).

Almost surely, 2^1011504401 is an apocalyptic number.

It is an amenable number.

1011504401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011504401 is an equidigital number, since it uses as much as digits as its factorization.

1011504401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1011504401 is about 31804.1569767224. The cubic root of 1011504401 is about 1003.8201879139.

Adding to 1011504401 its reverse (1044051101), we get a palindrome (2055555502).

The spelling of 1011504401 in words is "one billion, eleven million, five hundred four thousand, four hundred one".