11534402402 has 32 divisors (see below), whose sum is σ = 17767666224. Its totient is φ = 5613753600.

The previous prime is 11534402387. The next prime is 11534402413. The reversal of 11534402402 is 20420443511.

It can be written as a sum of positive squares in 8 ways, for example, as 10102461121 + 1431941281 = 100511^2 + 37841^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11296652 + ... + 11297672.

Almost surely, 2^11534402402 is an apocalyptic number.

11534402402 is a deficient number, since it is larger than the sum of its proper divisors (6233263822).

11534402402 is a wasteful number, since it uses less digits than its factorization.

11534402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 11534402402 its reverse (20420443511), we get a palindrome (31954845913).

The spelling of 11534402402 in words is "eleven billion, five hundred thirty-four million, four hundred two thousand, four hundred two".