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11631116245 = 571583209929
BaseRepresentation
bin10101101010100010…
…01011111111010101
31010000120222220222011
422311101023333111
5142310031204440
65202051104221
7561141566620
oct126521137725
933016886864
1011631116245
114a29509871
1223072a2071
1311348c9308
147c4a36db7
154811a69ea
hex2b544bfd5

11631116245 has 16 divisors (see below), whose sum is σ = 15961397760. Its totient is φ = 7970546304.

The previous prime is 11631116239. The next prime is 11631116279. The reversal of 11631116245 is 54261113611.

It is not a de Polignac number, because 11631116245 - 211 = 11631114197 is a prime.

It is a congruent number.

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, 49560 + ... + 160369.

It is an arithmetic number, because the mean of its divisors is an integer number (997587360).

Almost surely, 211631116245 is an apocalyptic number.

It is an amenable number.

11631116245 is a deficient number, since it is larger than the sum of its proper divisors (4330281515).

11631116245 is a wasteful number, since it uses less digits than its factorization.

11631116245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211524.

The product of its digits is 4320, while the sum is 31.

Adding to 11631116245 its reverse (54261113611), we get a palindrome (65892229856).

The spelling of 11631116245 in words is "eleven billion, six hundred thirty-one million, one hundred sixteen thousand, two hundred forty-five".

Divisors: 1 5 7 35 1583 7915 11081 55405 209929 1049645 1469503 7347515 332317607 1661588035 2326223249 11631116245