11157513 has 8 divisors (see below), whose sum is σ = 14968608. Its totient is φ = 7392384.

The previous prime is 11157499. The next prime is 11157527. The reversal of 11157513 is 31575111.

It is an interprime number because it is at equal distance from previous prime (11157499) and next prime (11157527).

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

It is not a de Polignac number, because 11157513 - 2⁵ = 11157481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11157563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10920 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (1871076).

Almost surely, 2^11157513 is an apocalyptic number.

It is an amenable number.

11157513 is a deficient number, since it is larger than the sum of its proper divisors (3811095).

11157513 is a wasteful number, since it uses less digits than its factorization.

11157513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22983.

The product of its digits is 525, while the sum is 24.

The square root of 11157513 is about 3340.2863649693. The cubic root of 11157513 is about 223.4545148143.

The spelling of 11157513 in words is "eleven million, one hundred fifty-seven thousand, five hundred thirteen".