15373144061 has 4 divisors (see below), whose sum is σ = 16770702624. Its totient is φ = 13975585500.

The previous prime is 15373144057. The next prime is 15373144067. The reversal of 15373144061 is 16044137351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16044137351 = 11 ⋅1458557941.

It is a cyclic number.

It is not a de Polignac number, because 15373144061 - 2² = 15373144057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15373144067) 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, 698779265 + ... + 698779286.

It is an arithmetic number, because the mean of its divisors is an integer number (4192675656).

Almost surely, 2^15373144061 is an apocalyptic number.

15373144061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15373144061 is a deficient number, since it is larger than the sum of its proper divisors (1397558563).

15373144061 is a wasteful number, since it uses less digits than its factorization.

15373144061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397558562.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 15373144061 in words is "fifteen billion, three hundred seventy-three million, one hundred forty-four thousand, sixty-one".