380611371557 has 4 divisors (see below), whose sum is σ = 380613119040. Its totient is φ = 380609624076.

The previous prime is 380611371529. The next prime is 380611371571. The reversal of 380611371557 is 755173116083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 755173116083 = 251 ⋅3008657833.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380611371557 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 (380611377557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491207 + ... + 1001252.

It is an arithmetic number, because the mean of its divisors is an integer number (95153279760).

Almost surely, 2^380611371557 is an apocalyptic number.

It is an amenable number.

380611371557 is a deficient number, since it is larger than the sum of its proper divisors (1747483).

380611371557 is a wasteful number, since it uses less digits than its factorization.

380611371557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747482.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 380611371557 in words is "three hundred eighty billion, six hundred eleven million, three hundred seventy-one thousand, five hundred fifty-seven".