11291261357 has 16 divisors (see below), whose sum is σ = 11446697472. Its totient is φ = 11137331520.

The previous prime is 11291261291. The next prime is 11291261381. The reversal of 11291261357 is 75316219211.

It is a cyclic number.

It is not a de Polignac number, because 11291261357 - 2¹⁰ = 11291260333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11291261357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11291261257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14915423 + ... + 14916179.

It is an arithmetic number, because the mean of its divisors is an integer number (715418592).

Almost surely, 2^11291261357 is an apocalyptic number.

It is an amenable number.

11291261357 is a deficient number, since it is larger than the sum of its proper divisors (155436115).

11291261357 is a wasteful number, since it uses less digits than its factorization.

11291261357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508.

The product of its digits is 22680, while the sum is 38.

The spelling of 11291261357 in words is "eleven billion, two hundred ninety-one million, two hundred sixty-one thousand, three hundred fifty-seven".