15114741457 has 4 divisors (see below), whose sum is σ = 15115796020. Its totient is φ = 15113686896.

The previous prime is 15114741451. The next prime is 15114741461. The reversal of 15114741457 is 75414741151.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4032758016 + 11081983441 = 63504^2 + 105271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15114741457 is a prime.

It is a super-3 number, since 3×15114741457³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15114741451) 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, 505482 + ... + 534547.

It is an arithmetic number, because the mean of its divisors is an integer number (3778949005).

Almost surely, 2^15114741457 is an apocalyptic number.

It is an amenable number.

15114741457 is a deficient number, since it is larger than the sum of its proper divisors (1054563).

15114741457 is a wasteful number, since it uses less digits than its factorization.

15114741457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054562.

The product of its digits is 78400, while the sum is 40.

The spelling of 15114741457 in words is "fifteen billion, one hundred fourteen million, seven hundred forty-one thousand, four hundred fifty-seven".