15231601451 has 4 divisors (see below), whose sum is σ = 16616292504. Its totient is φ = 13846910400.

The previous prime is 15231601423. The next prime is 15231601453. The reversal of 15231601451 is 15410613251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15231601451 - 2¹⁰ = 15231600427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15231601453) 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, 692345510 + ... + 692345531.

It is an arithmetic number, because the mean of its divisors is an integer number (4154073126).

Almost surely, 2^15231601451 is an apocalyptic number.

15231601451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15231601451 is a deficient number, since it is larger than the sum of its proper divisors (1384691053).

15231601451 is a wasteful number, since it uses less digits than its factorization.

15231601451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384691052.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 15231601451 in words is "fifteen billion, two hundred thirty-one million, six hundred one thousand, four hundred fifty-one".