1013155355 has 4 divisors (see below), whose sum is σ = 1215786432. Its totient is φ = 810524280.

The previous prime is 1013155343. The next prime is 1013155357. The reversal of 1013155355 is 5535513101.

1013155355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1013155355 - 2¹² = 1013151259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013155357) 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, 101315531 + ... + 101315540.

It is an arithmetic number, because the mean of its divisors is an integer number (303946608).

Almost surely, 2^1013155355 is an apocalyptic number.

1013155355 is a deficient number, since it is larger than the sum of its proper divisors (202631077).

1013155355 is an equidigital number, since it uses as much as digits as its factorization.

1013155355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202631076.

The product of its (nonzero) digits is 5625, while the sum is 29.

The square root of 1013155355 is about 31830.1013978906. The cubic root of 1013155355 is about 1004.3660283874.

Adding to 1013155355 its reverse (5535513101), we get a palindrome (6548668456).

The spelling of 1013155355 in words is "one billion, thirteen million, one hundred fifty-five thousand, three hundred fifty-five".