15234021451 has 16 divisors (see below), whose sum is σ = 16941516768. Its totient is φ = 13580569600.

The previous prime is 15234021421. The next prime is 15234021461. The reversal of 15234021451 is 15412043251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15234021451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15234021401) 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, 1298331 + ... + 1310011.

It is an arithmetic number, because the mean of its divisors is an integer number (1058844798).

Almost surely, 2^15234021451 is an apocalyptic number.

15234021451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15234021451 is a deficient number, since it is larger than the sum of its proper divisors (1707495317).

15234021451 is a wasteful number, since it uses less digits than its factorization.

15234021451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13982.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 15234021451 in words is "fifteen billion, two hundred thirty-four million, twenty-one thousand, four hundred fifty-one".