15532203413 has 4 divisors (see below), whose sum is σ = 15587087808. Its totient is φ = 15477319020.

The previous prime is 15532203367. The next prime is 15532203431. The reversal of 15532203413 is 31430223551.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31430223551 = 1229 ⋅25573819.

It is a cyclic number.

It is not a de Polignac number, because 15532203413 - 2⁸ = 15532203157 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 (15532203013) 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, 27441773 + ... + 27442338.

It is an arithmetic number, because the mean of its divisors is an integer number (3896771952).

Almost surely, 2^15532203413 is an apocalyptic number.

It is an amenable number.

15532203413 is a deficient number, since it is larger than the sum of its proper divisors (54884395).

15532203413 is an equidigital number, since it uses as much as digits as its factorization.

15532203413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54884394.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 15532203413 its reverse (31430223551), we get a palindrome (46962426964).

The spelling of 15532203413 in words is "fifteen billion, five hundred thirty-two million, two hundred three thousand, four hundred thirteen".