11610557025 has 12 divisors (see below), whose sum is σ = 19196121072. Its totient is φ = 6192297040.

The previous prime is 11610557003. The next prime is 11610557027. The reversal of 11610557025 is 52075501611.

It is a happy number.

It is not a de Polignac number, because 11610557025 - 2⁶ = 11610556961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11610557027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77403639 + ... + 77403788.

It is an arithmetic number, because the mean of its divisors is an integer number (1599676756).

Almost surely, 2^11610557025 is an apocalyptic number.

11610557025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11610557025 is a deficient number, since it is larger than the sum of its proper divisors (7585564047).

11610557025 is a wasteful number, since it uses less digits than its factorization.

11610557025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154807440 (or 154807435 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 11610557025 in words is "eleven billion, six hundred ten million, five hundred fifty-seven thousand, twenty-five".