13402541551 has 4 divisors (see below), whose sum is σ = 15317190352. Its totient is φ = 11487892752.

The previous prime is 13402541543. The next prime is 13402541563. The reversal of 13402541551 is 15514520431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13402541551 - 2³ = 13402541543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402542551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957324390 + ... + 957324403.

It is an arithmetic number, because the mean of its divisors is an integer number (3829297588).

Almost surely, 2^13402541551 is an apocalyptic number.

13402541551 is a deficient number, since it is larger than the sum of its proper divisors (1914648801).

13402541551 is an equidigital number, since it uses as much as digits as its factorization.

13402541551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914648800.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 13402541551 in words is "thirteen billion, four hundred two million, five hundred forty-one thousand, five hundred fifty-one".