11533534402 has 16 divisors (see below), whose sum is σ = 19134638712. Its totient is φ = 5179299840.

The previous prime is 11533534361. The next prime is 11533534429. The reversal of 11533534402 is 20443533511.

It can be written as a sum of positive squares in 4 ways, for example, as 10652097681 + 881436721 = 103209^2 + 29689^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5993599 + ... + 5995522.

Almost surely, 2^11533534402 is an apocalyptic number.

11533534402 is a deficient number, since it is larger than the sum of its proper divisors (7601104310).

11533534402 is a wasteful number, since it uses less digits than its factorization.

11533534402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11989173.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 11533534402 in words is "eleven billion, five hundred thirty-three million, five hundred thirty-four thousand, four hundred two".