10561251701636 has 6 divisors (see below), whose sum is σ = 18482190477870. Its totient is φ = 5280625850816.

The previous prime is 10561251701629. The next prime is 10561251701641. The reversal of 10561251701636 is 63610715216501.

It can be written as a sum of positive squares in only one way, i.e., 10038441722500 + 522809979136 = 3168350^2 + 723056^2 .

It is a super-2 number, since 2×10561251701636² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320156462701 + ... + 1320156462708.

It is an arithmetic number, because the mean of its divisors is an integer number (3080365079645).

Almost surely, 2^{10561251701636} is an apocalyptic number.

It is an amenable number.

10561251701636 is a deficient number, since it is larger than the sum of its proper divisors (7920938776234).

10561251701636 is a wasteful number, since it uses less digits than its factorization.

10561251701636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640312925413 (or 2640312925411 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 10561251701636 in words is "ten trillion, five hundred sixty-one billion, two hundred fifty-one million, seven hundred one thousand, six hundred thirty-six".