15012133454 has 4 divisors (see below), whose sum is σ = 22518200184. Its totient is φ = 7506066726.

The previous prime is 15012133427. The next prime is 15012133457. The reversal of 15012133454 is 45433121051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45433121051 = 1847 ⋅24598333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15012133457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3753033362 + ... + 3753033365.

It is an arithmetic number, because the mean of its divisors is an integer number (5629550046).

Almost surely, 2^15012133454 is an apocalyptic number.

15012133454 is a deficient number, since it is larger than the sum of its proper divisors (7506066730).

15012133454 is an equidigital number, since it uses as much as digits as its factorization.

15012133454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506066729.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 15012133454 in words is "fifteen billion, twelve million, one hundred thirty-three thousand, four hundred fifty-four".