1011340501 has 4 divisors (see below), whose sum is σ = 1032858432. Its totient is φ = 989822572.

The previous prime is 1011340471. The next prime is 1011340511. The reversal of 1011340501 is 1050431101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1011340501 - 2¹⁵ = 1011307733 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 (1011340511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10758895 + ... + 10758988.

It is an arithmetic number, because the mean of its divisors is an integer number (258214608).

Almost surely, 2^1011340501 is an apocalyptic number.

It is an amenable number.

1011340501 is a deficient number, since it is larger than the sum of its proper divisors (21517931).

1011340501 is an equidigital number, since it uses as much as digits as its factorization.

1011340501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21517930.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1011340501 is about 31801.5801651427. The cubic root of 1011340501 is about 1003.7659666913.

Adding to 1011340501 its reverse (1050431101), we get a palindrome (2061771602).

The spelling of 1011340501 in words is "one billion, eleven million, three hundred forty thousand, five hundred one".