1150252615557 has 6 divisors (see below), whose sum is σ = 1661476000262. Its totient is φ = 766835077032.

The previous prime is 1150252615513. The next prime is 1150252615579. The reversal of 1150252615557 is 7555162520511.

1150252615557 is a `hidden beast` number, since 1 + 1 + 5 + 0 + 25 + 2 + 615 + 5 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1150243380036 + 9235521 = 1072494^2 + 3039^2 .

It is not a de Polignac number, because 1150252615557 - 2¹⁴ = 1150252599173 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 (1150252615657) 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 5 ways as a sum of consecutive naturals, for example, 63902923078 + ... + 63902923095.

Almost surely, 2^{1150252615557} is an apocalyptic number.

It is an amenable number.

1150252615557 is a deficient number, since it is larger than the sum of its proper divisors (511223384705).

1150252615557 is a wasteful number, since it uses less digits than its factorization.

1150252615557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127805846179 (or 127805846176 counting only the distinct ones).

The product of its (nonzero) digits is 525000, while the sum is 45.

The spelling of 1150252615557 in words is "one trillion, one hundred fifty billion, two hundred fifty-two million, six hundred fifteen thousand, five hundred fifty-seven".