10261131604 has 6 divisors (see below), whose sum is σ = 17956980314. Its totient is φ = 5130565800.

The previous prime is 10261131599. The next prime is 10261131613. The reversal of 10261131604 is 40613116201.

It can be written as a sum of positive squares in only one way, i.e., 5353848900 + 4907282704 = 73170^2 + 70052^2 .

It is a super-2 number, since 2×10261131604² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282641447 + ... + 1282641454.

Almost surely, 2^10261131604 is an apocalyptic number.

It is an amenable number.

10261131604 is a deficient number, since it is larger than the sum of its proper divisors (7695848710).

10261131604 is a wasteful number, since it uses less digits than its factorization.

10261131604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565282905 (or 2565282903 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 10261131604 its reverse (40613116201), we get a palindrome (50874247805).

The spelling of 10261131604 in words is "ten billion, two hundred sixty-one million, one hundred thirty-one thousand, six hundred four".