1153571013 has 12 divisors (see below), whose sum is σ = 1904307808. Its totient is φ = 659183400.

The previous prime is 1153571011. The next prime is 1153571021. The reversal of 1153571013 is 3101753511.

It is not a de Polignac number, because 1153571013 - 2¹ = 1153571011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153571011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9155263 + ... + 9155388.

Almost surely, 2^1153571013 is an apocalyptic number.

It is an amenable number.

1153571013 is a deficient number, since it is larger than the sum of its proper divisors (750736795).

1153571013 is a wasteful number, since it uses less digits than its factorization.

1153571013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18310664 (or 18310661 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 1153571013 is about 33964.2608192788. The cubic root of 1153571013 is about 1048.7728711824.

It can be divided in two parts, 115 and 3571013, that added together give a triangular number (3571128 = T₂₆₇₂).

The spelling of 1153571013 in words is "one billion, one hundred fifty-three million, five hundred seventy-one thousand, thirteen".