1957010661131 has 4 divisors (see below), whose sum is σ = 1957023861912. Its totient is φ = 1956997460352.

The previous prime is 1957010661119. The next prime is 1957010661143. The reversal of 1957010661131 is 1311660107591.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1957010661119) and next prime (1957010661143).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1957010661131 is a prime.

It is a super-2 number, since 2×1957010661131² (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 (1957010661191) 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, 6375461 + ... + 6675366.

It is an arithmetic number, because the mean of its divisors is an integer number (489255965478).

Almost surely, 2^{1957010661131} is an apocalyptic number.

1957010661131 is a deficient number, since it is larger than the sum of its proper divisors (13200781).

1957010661131 is a wasteful number, since it uses less digits than its factorization.

1957010661131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200780.

The product of its (nonzero) digits is 34020, while the sum is 41.

The spelling of 1957010661131 in words is "one trillion, nine hundred fifty-seven billion, ten million, six hundred sixty-one thousand, one hundred thirty-one".