1013856551 has 2 divisors, whose sum is σ = 1013856552. Its totient is φ = 1013856550.

The previous prime is 1013856497. The next prime is 1013856607. The reversal of 1013856551 is 1556583101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013856551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013853551) by changing a digit.

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 as a sum of consecutive naturals, namely, 506928275 + 506928276.

It is an arithmetic number, because the mean of its divisors is an integer number (506928276).

Almost surely, 2^1013856551 is an apocalyptic number.

1013856551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013856551 is an equidigital number, since it uses as much as digits as its factorization.

1013856551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 1013856551 is about 31841.1141607828. The cubic root of 1013856551 is about 1004.5976792823.

The spelling of 1013856551 in words is "one billion, thirteen million, eight hundred fifty-six thousand, five hundred fifty-one".