7561157025 has 12 divisors (see below), whose sum is σ = 12501113072. Its totient is φ = 4032617040.

The previous prime is 7561157003. The next prime is 7561157077. The reversal of 7561157025 is 5207511657.

It is not a de Polignac number, because 7561157025 - 2⁶ = 7561156961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50407639 + ... + 50407788.

Almost surely, 2^7561157025 is an apocalyptic number.

7561157025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7561157025 is a deficient number, since it is larger than the sum of its proper divisors (4939956047).

7561157025 is a wasteful number, since it uses less digits than its factorization.

7561157025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100815440 (or 100815435 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 39.

The square root of 7561157025 is about 86954.9137484478. The cubic root of 7561157025 is about 1962.7399054898.

The spelling of 7561157025 in words is "seven billion, five hundred sixty-one million, one hundred fifty-seven thousand, twenty-five".