1190855486728 has 8 divisors (see below), whose sum is σ = 2232854037630. Its totient is φ = 595427743360.

The previous prime is 1190855486713. The next prime is 1190855486731. The reversal of 1190855486728 is 8276845580911.

It can be written as a sum of positive squares in only one way, i.e., 975594749284 + 215260737444 = 987722^2 + 463962^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×1190855486728⁴ (a number of 49 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1190855486728.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74428467913 + ... + 74428467928.

Almost surely, 2^{1190855486728} is an apocalyptic number.

It is an amenable number.

1190855486728 is a deficient number, since it is larger than the sum of its proper divisors (1041998550902).

1190855486728 is a wasteful number, since it uses less digits than its factorization.

1190855486728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148856935847 (or 148856935843 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 64.

The spelling of 1190855486728 in words is "one trillion, one hundred ninety billion, eight hundred fifty-five million, four hundred eighty-six thousand, seven hundred twenty-eight".