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11611057315 = 5111316239241
BaseRepresentation
bin10101101000001001…
…01010110010100011
31002222012020211021211
422310010222302203
5142234412313230
65200053130551
7560506234024
oct126404526243
932865224254
1011611057315
114a19159240
122300629a57
1311306c5120
147c20d4c4b
1547e54342a
hex2b412aca3

11611057315 has 16 divisors (see below), whose sum is σ = 16369155936. Its totient is φ = 7794835200.

The previous prime is 11611057253. The next prime is 11611057387. The reversal of 11611057315 is 51375011611.

It is not a de Polignac number, because 11611057315 - 29 = 11611056803 is a prime.

It is a Duffinian 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, 8118906 + ... + 8120335.

It is an arithmetic number, because the mean of its divisors is an integer number (1023072246).

Almost surely, 211611057315 is an apocalyptic number.

11611057315 is a deficient number, since it is larger than the sum of its proper divisors (4758098621).

11611057315 is a wasteful number, since it uses less digits than its factorization.

11611057315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16239270.

The product of its (nonzero) digits is 3150, while the sum is 31.

Adding to 11611057315 its reverse (51375011611), we get a palindrome (62986068926).

The spelling of 11611057315 in words is "eleven billion, six hundred eleven million, fifty-seven thousand, three hundred fifteen".

Divisors: 1 5 11 13 55 65 143 715 16239241 81196205 178631651 211110133 893158255 1055550665 2322211463 11611057315