1011455413 has 4 divisors (see below), whose sum is σ = 1011788908. Its totient is φ = 1011121920.

The previous prime is 1011455411. The next prime is 1011455437. The reversal of 1011455413 is 3145541101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 968329924 + 43125489 = 31118^2 + 6567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011455413 - 2¹ = 1011455411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011455411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162156 + ... + 168277.

It is an arithmetic number, because the mean of its divisors is an integer number (252947227).

Almost surely, 2^1011455413 is an apocalyptic number.

It is an amenable number.

1011455413 is a deficient number, since it is larger than the sum of its proper divisors (333495).

1011455413 is an equidigital number, since it uses as much as digits as its factorization.

1011455413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333494.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1011455413 is about 31803.3868165012. The cubic root of 1011455413 is about 1003.8039823699.

Adding to 1011455413 its reverse (3145541101), we get a palindrome (4156996514).

The spelling of 1011455413 in words is "one billion, eleven million, four hundred fifty-five thousand, four hundred thirteen".