15020055101 has 12 divisors (see below), whose sum is σ = 16326633312. Its totient is φ = 13807754688.

The previous prime is 15020055097. The next prime is 15020055103. The reversal of 15020055101 is 10155002051.

It is a happy number.

It is not a de Polignac number, because 15020055101 - 2² = 15020055097 is a prime.

It is a super-2 number, since 2×15020055101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15020055103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591905 + ... + 616758.

It is an arithmetic number, because the mean of its divisors is an integer number (1360552776).

Almost surely, 2^15020055101 is an apocalyptic number.

It is an amenable number.

15020055101 is a deficient number, since it is larger than the sum of its proper divisors (1306578211).

15020055101 is a wasteful number, since it uses less digits than its factorization.

15020055101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208740 (or 1208723 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

Adding to 15020055101 its reverse (10155002051), we get a palindrome (25175057152).

The spelling of 15020055101 in words is "fifteen billion, twenty million, fifty-five thousand, one hundred one".