1928254955131 has 4 divisors (see below), whose sum is σ = 1969281656352. Its totient is φ = 1887228253912.

The previous prime is 1928254955083. The next prime is 1928254955147. The reversal of 1928254955131 is 1315594528291.

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 1928254955131 - 2¹³ = 1928254946939 is a prime.

It is a super-2 number, since 2×1928254955131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1928254955531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20513350540 + ... + 20513350633.

It is an arithmetic number, because the mean of its divisors is an integer number (492320414088).

Almost surely, 2^{1928254955131} is an apocalyptic number.

1928254955131 is a deficient number, since it is larger than the sum of its proper divisors (41026701221).

1928254955131 is an equidigital number, since it uses as much as digits as its factorization.

1928254955131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41026701220.

The product of its digits is 3888000, while the sum is 55.

The spelling of 1928254955131 in words is "one trillion, nine hundred twenty-eight billion, two hundred fifty-four million, nine hundred fifty-five thousand, one hundred thirty-one".