1064557815350 has 12 divisors (see below), whose sum is σ = 1980077536644. Its totient is φ = 425823126120.

The previous prime is 1064557815329. The next prime is 1064557815353. The reversal of 1064557815350 is 535187554601.

It is a super-2 number, since 2×1064557815350² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 21291156307 = 1064557815350 / (1 + 0 + 6 + 4 + 5 + 5 + 7 + 8 + 1 + 5 + 3 + 5 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064557815353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10645578104 + ... + 10645578203.

It is an arithmetic number, because the mean of its divisors is an integer number (165006461387).

Almost surely, 2^{1064557815350} is an apocalyptic number.

1064557815350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1064557815350 is a deficient number, since it is larger than the sum of its proper divisors (915519721294).

1064557815350 is a wasteful number, since it uses less digits than its factorization.

1064557815350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21291156319 (or 21291156314 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 50.

The spelling of 1064557815350 in words is "one trillion, sixty-four billion, five hundred fifty-seven million, eight hundred fifteen thousand, three hundred fifty".