11403504231402 has 16 divisors (see below), whose sum is σ = 22807049929632. Its totient is φ = 3801161166000.

The previous prime is 11403504231397. The next prime is 11403504231409. The reversal of 11403504231402 is 20413240530411.

It is a self number, because there is not a number n which added to its sum of digits gives 11403504231402.

It is not an unprimeable number, because it can be changed into a prime (11403504231409) 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, 2733277 + ... + 5502527.

It is an arithmetic number, because the mean of its divisors is an integer number (1425440620602).

Almost surely, 2^{11403504231402} is an apocalyptic number.

11403504231402 is an abundant number, since it is smaller than the sum of its proper divisors (11403545698230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11403504231402 is a wasteful number, since it uses less digits than its factorization.

11403504231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455573.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 11403504231402 its reverse (20413240530411), we get a palindrome (31816744761813).

The spelling of 11403504231402 in words is "eleven trillion, four hundred three billion, five hundred four million, two hundred thirty-one thousand, four hundred two".