15743047998001 has 45 divisors (see below), whose sum is σ = 17255966992251. Its totient is φ = 14362179391728.

The previous prime is 15743047997953. The next prime is 15743047998019. The reversal of 15743047998001 is 10089974034751.

It is a happy number.

The square root of 15743047998001 is 3967751.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8255272493601 + 7487775504400 = 2873199^2 + 2736380^2 .

It is not a de Polignac number, because 15743047998001 - 2¹⁷ = 15743047866929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15743047998401) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 41538385030 + ... + 41538385408.

Almost surely, 2^{15743047998001} is an apocalyptic number.

15743047998001 is the 3967751-st square number.

15743047998001 is the 1983876-th centered octagonal number.

It is an amenable number.

15743047998001 is a deficient number, since it is larger than the sum of its proper divisors (1512918994250).

15743047998001 is an frugal number, since it uses more digits than its factorization.

15743047998001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 15743047998001 in words is "fifteen trillion, seven hundred forty-three billion, forty-seven million, nine hundred ninety-eight thousand, one".