11142555553 has 8 divisors (see below), whose sum is σ = 11393158400. Its totient is φ = 10894691808.

The previous prime is 11142555499. The next prime is 11142555581. The reversal of 11142555553 is 35555524111.

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

It is a cyclic number.

It is not a de Polignac number, because 11142555553 - 2²¹ = 11140458401 is a prime.

It is a super-2 number, since 2×11142555553² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142555353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676548 + ... + 692821.

It is an arithmetic number, because the mean of its divisors is an integer number (1424144800).

Almost surely, 2^11142555553 is an apocalyptic number.

It is an amenable number.

11142555553 is a deficient number, since it is larger than the sum of its proper divisors (250602847).

11142555553 is a wasteful number, since it uses less digits than its factorization.

11142555553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369551.

The product of its digits is 75000, while the sum is 37.

The spelling of 11142555553 in words is "eleven billion, one hundred forty-two million, five hundred fifty-five thousand, five hundred fifty-three".