1013155005 has 8 divisors (see below), whose sum is σ = 1621048032. Its totient is φ = 540349328.

The previous prime is 1013154997. The next prime is 1013155057. The reversal of 1013155005 is 5005513101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013155005 - 2³ = 1013154997 is a prime.

It is a super-4 number, since 4×1013155005⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33771819 + ... + 33771848.

It is an arithmetic number, because the mean of its divisors is an integer number (202631004).

Almost surely, 2^1013155005 is an apocalyptic number.

1013155005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1013155005 is a deficient number, since it is larger than the sum of its proper divisors (607893027).

1013155005 is an equidigital number, since it uses as much as digits as its factorization.

1013155005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67543675.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 1013155005 is about 31830.0958999498. The cubic root of 1013155005 is about 1004.3659127328.

Adding to 1013155005 its reverse (5005513101), we get a palindrome (6018668106).

The spelling of 1013155005 in words is "one billion, thirteen million, one hundred fifty-five thousand, five".