15054621043 has 16 divisors (see below), whose sum is σ = 19585460736. Its totient is φ = 11220834240.

The previous prime is 15054621037. The next prime is 15054621061. The reversal of 15054621043 is 34012645051.

It is a happy number.

It is not a de Polignac number, because 15054621043 - 2⁵ = 15054621011 is a prime.

It is a super-2 number, since 2×15054621043² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15054620996 and 15054621014.

It is not an unprimeable number, because it can be changed into a prime (15052621043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4248546 + ... + 4252087.

It is an arithmetic number, because the mean of its divisors is an integer number (1224091296).

Almost surely, 2^15054621043 is an apocalyptic number.

15054621043 is a deficient number, since it is larger than the sum of its proper divisors (4530839693).

15054621043 is a wasteful number, since it uses less digits than its factorization.

15054621043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500674.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 15054621043 in words is "fifteen billion, fifty-four million, six hundred twenty-one thousand, forty-three".