1972550010001 has 8 divisors (see below), whose sum is σ = 2115545195520. Its totient is φ = 1833472500912.

The previous prime is 1972550009977. The next prime is 1972550010023. The reversal of 1972550010001 is 1000100552791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1972550010001 - 2²¹ = 1972547912849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1972550010031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979418065 + ... + 979420078.

It is an arithmetic number, because the mean of its divisors is an integer number (264443149440).

Almost surely, 2^{1972550010001} is an apocalyptic number.

It is an amenable number.

1972550010001 is a deficient number, since it is larger than the sum of its proper divisors (142995185519).

1972550010001 is a wasteful number, since it uses less digits than its factorization.

1972550010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958838215.

The product of its (nonzero) digits is 3150, while the sum is 31.

Adding to 1972550010001 its reverse (1000100552791), we get a palindrome (2972650562792).

The spelling of 1972550010001 in words is "one trillion, nine hundred seventy-two billion, five hundred fifty million, ten thousand, one".