11403001131 has 8 divisors (see below), whose sum is σ = 15208155600. Its totient is φ = 7599923712.

The previous prime is 11403001123. The next prime is 11403001133. The reversal of 11403001131 is 13110030411.

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

It is not a de Polignac number, because 11403001131 - 2³ = 11403001123 is a prime.

It is a super-2 number, since 2×11403001131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11403001131.

It is not an unprimeable number, because it can be changed into a prime (11403001133) 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, 506406 + ... + 528443.

It is an arithmetic number, because the mean of its divisors is an integer number (1901019450).

Almost surely, 2^11403001131 is an apocalyptic number.

11403001131 is a deficient number, since it is larger than the sum of its proper divisors (3805154469).

11403001131 is a wasteful number, since it uses less digits than its factorization.

11403001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038525.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11403001131 its reverse (13110030411), we get a palindrome (24513031542).

The spelling of 11403001131 in words is "eleven billion, four hundred three million, one thousand, one hundred thirty-one".