1013551455 has 16 divisors (see below), whose sum is σ = 1853351424. Its totient is φ = 463337760.

The previous prime is 1013551423. The next prime is 1013551477. The reversal of 1013551455 is 5541553101.

It is not a de Polignac number, because 1013551455 - 2⁵ = 1013551423 is a prime.

It is a super-3 number, since 3×1013551455³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4826331 + ... + 4826540.

It is an arithmetic number, because the mean of its divisors is an integer number (115834464).

Almost surely, 2^1013551455 is an apocalyptic number.

1013551455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1013551455 is a deficient number, since it is larger than the sum of its proper divisors (839799969).

1013551455 is an equidigital number, since it uses as much as digits as its factorization.

1013551455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9652886.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1013551455 is about 31836.3228875447. The cubic root of 1013551455 is about 1004.4968992515.

The spelling of 1013551455 in words is "one billion, thirteen million, five hundred fifty-one thousand, four hundred fifty-five".