15054182021 has 12 divisors (see below), whose sum is σ = 15395077152. Its totient is φ = 14717311128.

The previous prime is 15054181997. The next prime is 15054182027. The reversal of 15054182021 is 12028145051.

It is not a de Polignac number, because 15054182021 - 2¹⁸ = 15053919877 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 (15054182027) 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, 11343860 + ... + 11345186.

It is an arithmetic number, because the mean of its divisors is an integer number (1282923096).

Almost surely, 2^15054182021 is an apocalyptic number.

It is an amenable number.

15054182021 is a deficient number, since it is larger than the sum of its proper divisors (340895131).

15054182021 is an frugal number, since it uses more digits than its factorization.

15054182021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The spelling of 15054182021 in words is "fifteen billion, fifty-four million, one hundred eighty-two thousand, twenty-one".