11551103402 has 16 divisors (see below), whose sum is σ = 17485174080. Its totient is φ = 5722742592.

The previous prime is 11551103393. The next prime is 11551103423. The reversal of 11551103402 is 20430115511.

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, 1138283 + ... + 1148385.

It is an arithmetic number, because the mean of its divisors is an integer number (1092823380).

Almost surely, 2^11551103402 is an apocalyptic number.

11551103402 is a deficient number, since it is larger than the sum of its proper divisors (5934070678).

11551103402 is a wasteful number, since it uses less digits than its factorization.

11551103402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15277.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11551103402 its reverse (20430115511), we get a palindrome (31981218913).

The spelling of 11551103402 in words is "eleven billion, five hundred fifty-one million, one hundred three thousand, four hundred two".