1920611051051 has 12 divisors (see below), whose sum is σ = 2437287494040. Its totient is φ = 1496580039360.

The previous prime is 1920611051041. The next prime is 1920611051053. The reversal of 1920611051051 is 1501501160291.

It is a happy number.

It is not a de Polignac number, because 1920611051051 - 2⁶ = 1920611050987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1920611050999 and 1920611051017.

It is not an unprimeable number, because it can be changed into a prime (1920611051053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1781642366 + ... + 1781643443.

It is an arithmetic number, because the mean of its divisors is an integer number (203107291170).

Almost surely, 2^{1920611051051} is an apocalyptic number.

1920611051051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1920611051051 is a deficient number, since it is larger than the sum of its proper divisors (516676442989).

1920611051051 is a wasteful number, since it uses less digits than its factorization.

1920611051051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563285834 (or 3563285827 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 32.

The spelling of 1920611051051 in words is "one trillion, nine hundred twenty billion, six hundred eleven million, fifty-one thousand, fifty-one".