1612150787025 has 81 divisors (see below), whose sum is σ = 2951924452113. Its totient is φ = 841052592000.

The previous prime is 1612150787011. The next prime is 1612150787057. The reversal of 1612150787025 is 5207870512161.

The square root of 1612150787025 is 1269705.

It is a perfect power (a square), and thus also a powerful number.

1612150787025 is a `hidden beast` number, since 1 + 61 + 2 + 1 + 507 + 87 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 452919578049 + 1159231208976 = 672993^2 + 1076676^2 .

It is not a de Polignac number, because 1612150787025 - 2⁵ = 1612150786993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 895141125 + ... + 895142925.

Almost surely, 2^{1612150787025} is an apocalyptic number.

1612150787025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1612150787025 is the 1269705-th square number.

1612150787025 is the 634853-rd centered octagonal number.

It is an amenable number.

1612150787025 is a deficient number, since it is larger than the sum of its proper divisors (1339773665088).

1612150787025 is an frugal number, since it uses more digits than its factorization.

1612150787025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 1612150787025 in words is "one trillion, six hundred twelve billion, one hundred fifty million, seven hundred eighty-seven thousand, twenty-five".