1013345511 has 4 divisors (see below), whose sum is σ = 1351127352. Its totient is φ = 675563672.

The previous prime is 1013345507. The next prime is 1013345551. The reversal of 1013345511 is 1155433101.

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

It is a cyclic number.

It is not a de Polignac number, because 1013345511 - 2² = 1013345507 is a prime.

It is a super-2 number, since 2×1013345511² = 2053738249327702242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013345551) 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, 168890916 + ... + 168890921.

It is an arithmetic number, because the mean of its divisors is an integer number (337781838).

Almost surely, 2^1013345511 is an apocalyptic number.

1013345511 is a deficient number, since it is larger than the sum of its proper divisors (337781841).

1013345511 is an equidigital number, since it uses as much as digits as its factorization.

1013345511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337781840.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1013345511 is about 31833.0883044671. The cubic root of 1013345511 is about 1004.4288599095.

Adding to 1013345511 its reverse (1155433101), we get a palindrome (2168778612).

The spelling of 1013345511 in words is "one billion, thirteen million, three hundred forty-five thousand, five hundred eleven".