6119981751 has 16 divisors (see below), whose sum is σ = 8992032896. Its totient is φ = 3678556896.

The previous prime is 6119981729. The next prime is 6119981761. The reversal of 6119981751 is 1571899116.

It is not a de Polignac number, because 6119981751 - 2¹¹ = 6119979703 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6119981751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6119981761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1823005 + ... + 1826358.

It is an arithmetic number, because the mean of its divisors is an integer number (562002056).

Almost surely, 2^6119981751 is an apocalyptic number.

6119981751 is a deficient number, since it is larger than the sum of its proper divisors (2872051145).

6119981751 is a wasteful number, since it uses less digits than its factorization.

6119981751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649422.

The product of its digits is 136080, while the sum is 48.

The square root of 6119981751 is about 78230.3122261442. The cubic root of 6119981751 is about 1829.1530366561.

The spelling of 6119981751 in words is "six billion, one hundred nineteen million, nine hundred eighty-one thousand, seven hundred fifty-one".