1957500772851 has 24 divisors (see below), whose sum is σ = 2904365246160. Its totient is φ = 1165757261760.

The previous prime is 1957500772817. The next prime is 1957500772861. The reversal of 1957500772851 is 1582770057591.

It is not a de Polignac number, because 1957500772851 - 2⁷ = 1957500772723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1957500772791 and 1957500772800.

It is not an unprimeable number, because it can be changed into a prime (1957500772861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26077156 + ... + 26152113.

It is an arithmetic number, because the mean of its divisors is an integer number (121015218590).

Almost surely, 2^{1957500772851} is an apocalyptic number.

1957500772851 is a deficient number, since it is larger than the sum of its proper divisors (946864473309).

1957500772851 is a wasteful number, since it uses less digits than its factorization.

1957500772851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52229347 (or 52229316 counting only the distinct ones).

The product of its (nonzero) digits is 6174000, while the sum is 57.

The spelling of 1957500772851 in words is "one trillion, nine hundred fifty-seven billion, five hundred million, seven hundred seventy-two thousand, eight hundred fifty-one".