1009249925751 has 12 divisors (see below), whose sum is σ = 1460017604760. Its totient is φ = 671812288560.

The previous prime is 1009249925741. The next prime is 1009249925767. The reversal of 1009249925751 is 1575299429001.

It is a happy number.

1009249925751 is a `hidden beast` number, since 10 + 0 + 92 + 499 + 2 + 5 + 7 + 51 = 666.

It is not a de Polignac number, because 1009249925751 - 2²² = 1009245731447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009249925741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85076680 + ... + 85088541.

It is an arithmetic number, because the mean of its divisors is an integer number (121668133730).

Almost surely, 2^{1009249925751} is an apocalyptic number.

1009249925751 is a deficient number, since it is larger than the sum of its proper divisors (450767679009).

1009249925751 is a wasteful number, since it uses less digits than its factorization.

1009249925751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170165886 (or 170165883 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 1009249925751 in words is "one trillion, nine billion, two hundred forty-nine million, nine hundred twenty-five thousand, seven hundred fifty-one".