11651056425 has 36 divisors (see below), whose sum is σ = 21210465484. Its totient is φ = 6112022400.

The previous prime is 11651056411. The next prime is 11651056427. The reversal of 11651056425 is 52465015611.

11651056425 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 1 + 0 + 5 + 642 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 595164816 + 11055891609 = 24396^2 + 105147^2 .

It is not a de Polignac number, because 11651056425 - 2⁵ = 11651056393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11651056425.

It is not an unprimeable number, because it can be changed into a prime (11651056427) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 410722 + ... + 438171.

Almost surely, 2^11651056425 is an apocalyptic number.

11651056425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11651056425 is a deficient number, since it is larger than the sum of its proper divisors (9559409059).

11651056425 is a wasteful number, since it uses less digits than its factorization.

11651056425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848970 (or 848962 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 11651056425 in words is "eleven billion, six hundred fifty-one million, fifty-six thousand, four hundred twenty-five".