15010231142 has 4 divisors (see below), whose sum is σ = 22515346716. Its totient is φ = 7505115570.

The previous prime is 15010231129. The next prime is 15010231157. The reversal of 15010231142 is 24113201051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24113201051 = 1583 ⋅15232597.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752557784 + ... + 3752557787.

It is an arithmetic number, because the mean of its divisors is an integer number (5628836679).

Almost surely, 2^15010231142 is an apocalyptic number.

15010231142 is a deficient number, since it is larger than the sum of its proper divisors (7505115574).

15010231142 is an equidigital number, since it uses as much as digits as its factorization.

15010231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505115573.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 15010231142 its reverse (24113201051), we get a palindrome (39123432193).

The spelling of 15010231142 in words is "fifteen billion, ten million, two hundred thirty-one thousand, one hundred forty-two".