15150151643 has 4 divisors (see below), whose sum is σ = 16527438168. Its totient is φ = 13772865120.

The previous prime is 15150151633. The next prime is 15150151651. The reversal of 15150151643 is 34615105151.

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 15150151643 - 2¹⁸ = 15149889499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15150151633) 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, 688643246 + ... + 688643267.

It is an arithmetic number, because the mean of its divisors is an integer number (4131859542).

Almost surely, 2^15150151643 is an apocalyptic number.

15150151643 is a deficient number, since it is larger than the sum of its proper divisors (1377286525).

15150151643 is a wasteful number, since it uses less digits than its factorization.

15150151643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377286524.

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 15150151643 its reverse (34615105151), we get a palindrome (49765256794).

The spelling of 15150151643 in words is "fifteen billion, one hundred fifty million, one hundred fifty-one thousand, six hundred forty-three".