15225444054 has 96 divisors (see below), whose sum is σ = 34425518400. Its totient is φ = 4859366400.

The previous prime is 15225444029. The next prime is 15225444079. The reversal of 15225444054 is 45044452251.

15225444054 is a `hidden beast` number, since 1 + 5 + 22 + 544 + 40 + 54 = 666.

It is an interprime number because it is at equal distance from previous prime (15225444029) and next prime (15225444079).

It is a super-3 number, since 3×15225444054³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

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, 14513722 + ... + 14514770.

It is an arithmetic number, because the mean of its divisors is an integer number (358599150).

Almost surely, 2^15225444054 is an apocalyptic number.

15225444054 is an abundant number, since it is smaller than the sum of its proper divisors (19200074346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15225444054 is a wasteful number, since it uses less digits than its factorization.

15225444054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 15225444054 in words is "fifteen billion, two hundred twenty-five million, four hundred forty-four thousand, fifty-four".