10251240661156 has 48 divisors (see below), whose sum is σ = 19666112534208. Its totient is φ = 4636948553600.

The previous prime is 10251240661121. The next prime is 10251240661177. The reversal of 10251240661156 is 65116604215201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8223126 + ... + 9387346.

It is an arithmetic number, because the mean of its divisors is an integer number (409710677796).

Almost surely, 2^{10251240661156} is an apocalyptic number.

It is an amenable number.

10251240661156 is a deficient number, since it is larger than the sum of its proper divisors (9414871873052).

10251240661156 is a wasteful number, since it uses less digits than its factorization.

10251240661156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165212 (or 1165210 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

Adding to 10251240661156 its reverse (65116604215201), we get a palindrome (75367844876357).

The spelling of 10251240661156 in words is "ten trillion, two hundred fifty-one billion, two hundred forty million, six hundred sixty-one thousand, one hundred fifty-six".