28103120954 has 8 divisors (see below), whose sum is σ = 44634368628. Its totient is φ = 13224998080.

The previous prime is 28103120923. The next prime is 28103120957. The reversal of 28103120954 is 45902130182.

It can be written as a sum of positive squares in 2 ways, for example, as 26691390625 + 1411730329 = 163375^2 + 37573^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28103120957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413281157 + ... + 413281224.

Almost surely, 2^28103120954 is an apocalyptic number.

28103120954 is a deficient number, since it is larger than the sum of its proper divisors (16531247674).

28103120954 is a wasteful number, since it uses less digits than its factorization.

28103120954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826562400.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 28103120954 in words is "twenty-eight billion, one hundred three million, one hundred twenty thousand, nine hundred fifty-four".