60211431491 has 4 divisors (see below), whose sum is σ = 60317251800. Its totient is φ = 60105611184.

The previous prime is 60211431461. The next prime is 60211431503. The reversal of 60211431491 is 19413411206.

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 60211431491 - 2¹⁴ = 60211415107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60211431461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52909301 + ... + 52910438.

It is an arithmetic number, because the mean of its divisors is an integer number (15079312950).

Almost surely, 2^60211431491 is an apocalyptic number.

60211431491 is a deficient number, since it is larger than the sum of its proper divisors (105820309).

60211431491 is a wasteful number, since it uses less digits than its factorization.

60211431491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105820308.

The product of its (nonzero) digits is 5184, while the sum is 32.

Adding to 60211431491 its reverse (19413411206), we get a palindrome (79624842697).

The spelling of 60211431491 in words is "sixty billion, two hundred eleven million, four hundred thirty-one thousand, four hundred ninety-one".