11403201515451 has 16 divisors (see below), whose sum is σ = 15865526436864. Its totient is φ = 7271513910144.

The previous prime is 11403201515443. The next prime is 11403201515473. The reversal of 11403201515451 is 15451510230411.

It is not a de Polignac number, because 11403201515451 - 2³ = 11403201515443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11403201515441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4606110 + ... + 6634956.

It is an arithmetic number, because the mean of its divisors is an integer number (991595402304).

Almost surely, 2^{11403201515451} is an apocalyptic number.

11403201515451 is a deficient number, since it is larger than the sum of its proper divisors (4462324921413).

11403201515451 is a wasteful number, since it uses less digits than its factorization.

11403201515451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110330.

The product of its (nonzero) digits is 12000, while the sum is 33.

Adding to 11403201515451 its reverse (15451510230411), we get a palindrome (26854711745862).

The spelling of 11403201515451 in words is "eleven trillion, four hundred three billion, two hundred one million, five hundred fifteen thousand, four hundred fifty-one".