15140506650401 has 4 divisors (see below), whose sum is σ = 16516916345904. Its totient is φ = 13764096954900.

The previous prime is 15140506650397. The next prime is 15140506650449. The reversal of 15140506650401 is 10405660504151.

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.

It is a cyclic number.

It is not a de Polignac number, because 15140506650401 - 2² = 15140506650397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15140506650461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688204847735 + ... + 688204847756.

It is an arithmetic number, because the mean of its divisors is an integer number (4129229086476).

Almost surely, 2^{15140506650401} is an apocalyptic number.

15140506650401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15140506650401 is a deficient number, since it is larger than the sum of its proper divisors (1376409695503).

15140506650401 is a wasteful number, since it uses less digits than its factorization.

15140506650401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376409695502.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 15140506650401 in words is "fifteen trillion, one hundred forty billion, five hundred six million, six hundred fifty thousand, four hundred one".