15146561053 has 4 divisors (see below), whose sum is σ = 16311681148. Its totient is φ = 13981440960.

The previous prime is 15146561029. The next prime is 15146561083. The reversal of 15146561053 is 35016564151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35016564151 = 571 ⋅61324981.

It can be written as a sum of positive squares in 2 ways, for example, as 6306424569 + 8840136484 = 79413^2 + 94022^2 .

It is a cyclic number.

It is not a de Polignac number, because 15146561053 - 2²⁹ = 14609690141 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 (15146561083) 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, 582560028 + ... + 582560053.

It is an arithmetic number, because the mean of its divisors is an integer number (4077920287).

Almost surely, 2^15146561053 is an apocalyptic number.

15146561053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15146561053 is a deficient number, since it is larger than the sum of its proper divisors (1165120095).

15146561053 is a wasteful number, since it uses less digits than its factorization.

15146561053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165120094.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 15146561053 in words is "fifteen billion, one hundred forty-six million, five hundred sixty-one thousand, fifty-three".