1013540511 has 4 divisors (see below), whose sum is σ = 1351387352. Its totient is φ = 675693672.

The previous prime is 1013540509. The next prime is 1013540513. The reversal of 1013540511 is 1150453101.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1013540509) and next prime (1013540513).

It is not a de Polignac number, because 1013540511 - 2¹ = 1013540509 is a prime.

It is a super-2 number, since 2×1013540511² = 2054528734876282242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013540513) 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, 168923416 + ... + 168923421.

It is an arithmetic number, because the mean of its divisors is an integer number (337846838).

Almost surely, 2^1013540511 is an apocalyptic number.

1013540511 is a deficient number, since it is larger than the sum of its proper divisors (337846841).

1013540511 is an equidigital number, since it uses as much as digits as its factorization.

1013540511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337846840.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1013540511 is about 31836.1510079344. The cubic root of 1013540511 is about 1004.4932838279.

Adding to 1013540511 its reverse (1150453101), we get a palindrome (2163993612).

The spelling of 1013540511 in words is "one billion, thirteen million, five hundred forty thousand, five hundred eleven".