15020053945 has 48 divisors (see below), whose sum is σ = 21705243840. Its totient is φ = 9889606656.

The previous prime is 15020053931. The next prime is 15020053957. The reversal of 15020053945 is 54935002051.

It is not a de Polignac number, because 15020053945 - 2⁵ = 15020053913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15020053945.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335874 + ... + 377956.

It is an arithmetic number, because the mean of its divisors is an integer number (452192580).

Almost surely, 2^15020053945 is an apocalyptic number.

It is an amenable number.

15020053945 is a deficient number, since it is larger than the sum of its proper divisors (6685189895).

15020053945 is a wasteful number, since it uses less digits than its factorization.

15020053945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42154 (or 42137 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 15020053945 its reverse (54935002051), we get a palindrome (69955055996).

The spelling of 15020053945 in words is "fifteen billion, twenty million, fifty-three thousand, nine hundred forty-five".