1771552641023 has 16 divisors (see below), whose sum is σ = 1939920415776. Its totient is φ = 1604406503040.

The previous prime is 1771552641013. The next prime is 1771552641083. The reversal of 1771552641023 is 3201462551771.

It is a de Polignac number, because none of the positive numbers 2^k-1771552641023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1771552641013) 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, 18395465 + ... + 18491517.

It is an arithmetic number, because the mean of its divisors is an integer number (121245025986).

Almost surely, 2^{1771552641023} is an apocalyptic number.

1771552641023 is a deficient number, since it is larger than the sum of its proper divisors (168367774753).

1771552641023 is a wasteful number, since it uses less digits than its factorization.

1771552641023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102394.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 1771552641023 in words is "one trillion, seven hundred seventy-one billion, five hundred fifty-two million, six hundred forty-one thousand, twenty-three".