10403215551 has 6 divisors (see below), whose sum is σ = 15026866920. Its totient is φ = 6935477028.

The previous prime is 10403215531. The next prime is 10403215553. The reversal of 10403215551 is 15551230401.

10403215551 is a `hidden beast` number, since 104 + 0 + 3 + 2 + 1 + 5 + 551 = 666.

It is not a de Polignac number, because 10403215551 - 2¹¹ = 10403213503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10403215553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 577956411 + ... + 577956428.

It is an arithmetic number, because the mean of its divisors is an integer number (2504477820).

Almost surely, 2^10403215551 is an apocalyptic number.

10403215551 is a deficient number, since it is larger than the sum of its proper divisors (4623651369).

10403215551 is a wasteful number, since it uses less digits than its factorization.

10403215551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155912845 (or 1155912842 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 10403215551 its reverse (15551230401), we get a palindrome (25954445952).

The spelling of 10403215551 in words is "ten billion, four hundred three million, two hundred fifteen thousand, five hundred fifty-one".